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South St. Paul, Minnesota Weather

Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →

South St. Paul weather forecast — hour by hour, 7-day outlook, NOAA radar

South St. Paul, MN
Saturday, July 4 at 9:14 AM
72
°
Overcast
Feels like
76°
Humidity
87%
Wind
5 mph
Sunrise
12:31 AM
Sunset
4:01 PM
South St. Paul, MN
Hour by hour · 24h
24-Hour ForecastSouth St. Paul, MN: 24-hour forecast. Temperatures range from 68 to 87 degrees Fahrenheit.
L 68°H 87°
South St. Paul, MN
7-day forecast
  1. Today
    Jul 4
    Light Drizzle
    19%
    —
    87°66°—
  2. Sunday
    Jul 5
    Rain
    15%
    0.12″
    87°68°0°
  3. Monday
    Jul 6
    Overcast
    —
    —
    84°66°-3°
  4. Tuesday
    Jul 7
    Overcast
    30%
    —
    88°68°+4°
  5. Wednesday
    Jul 8
    Thunderstorm
    51%
    0.35″
    76°69°-12°
  6. Thursday
    Jul 9
    Overcast
    51%
    —
    81°62°+5°
  7. Friday
    Jul 10
    Drizzle
    16%
    —
    84°63°+3°
South St. Paul, MN
Next 24 hours · Mild now
HOT 90°64°78°92°6a12p6p12anow 72°high 87°low 68°PRECIP %
South St. Paul, MN
Anemometer · 24h winds · from true
NESW
From · True
E
099° · backing 166°
Direction
E
099°
Sustained
5
mph
Gust
6
mph
Peak 24h
14
avg 4
Beaufort · 2 · LIGHT BRZ
0
CALM
<1
1
LIGHT AIR
1–3
2
LIGHT BRZ
4–7
3
GENTLE BRZ
8–12
4
MOD BRZ
13–18
5
FRESH BRZ
19–24
6
STRONG BRZ
25–31
7
NEAR GALE
32–38
24h · sust vs gust · mph
avg 4 · pk 14 @ 12:00a
01020MPHB1B2B3B4B5-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 176SUSTGUST
−24h−18h−12h−6hnow
A whisper of wind — leaves barely shift on the trees.
South St. Paul, MN
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
986.3
+0.8 mb in 3h · rising · 29.13 inHg
Now
986.3
mb
3h
+0.8
mb
12h
+2.1
mb
24h
+1.2
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 984–986
9759809859909951000STORM|RAIN10051010RAIN|CHG1015CHG|FAIR10201025FAIR|DRY1030-21h-18h-15h-12h-9h-6h-3h-24hNOW986.4983.7986.3
−24h−18h−12h−6hnow
Deep low — expect rough seas, strong wind, and persistent rain.
South St. Paul, MN
Air quality
62
AQI
Moderate
↑+6 in 6h

AQI 62 (Moderate), driven by PM2.5. AQI up 6 over the last 6 hours (gradual rise). PM2.5 at 13.9 µg/m³ (AQI 60) with a 0.90 fine-to-coarse ratio and 5 mph wind — combustion smoke trapped in calm air, not road dust.

OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.

PM 2.5DRIVERModerate
13.9μg/m³
PM 10Good
16μg/m³
NO₂Good
10μg/m³
OzoneModerate
72μg/m³
UV IndexLow
2.0

What's driving it

Ozone × UV × Sky

Ozone at AQI 34 now. With UV 4.0 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 18 around 1 PM.

Present
AQI 34
UV peak
4.0 at 1 PM
Sky at peak
clear
Projected peak
AQI 18

PM × Wind × Precip

PM2.5 at 13.9 µg/m³ (AQI 60) with a 0.90 fine-to-coarse ratio and 5 mph wind — combustion smoke trapped in calm air, not road dust.

PM2.5/PM10
0.90
Wind
light
Recent rain
0h in last 6h
Pattern
stagnant smoke

Trends

Seven days of AQI and PM2.5.

Hourly air-quality data from the Copernicus Atmosphere Monitoring Service, charted across the past and next several days. Dashed lines mark the AQI breakpoints at 50 (Good → Moderate) and 100 (Moderate → Unhealthy for Sensitive Groups).

7-DAY AQI TREND50100SATSUNMONTUEWEDTHUFRISAT7-DAY PM2.5 TREND · μg/m³370
South St. Paul, MN
Sky cover · visibility · 24h
Cloud cover
84%
MOSTLY CLOUDY
100%0%−24h−18h−12h−6hnow
Visibility
29.6mi
UNLIMITED
65 mi0 mi−24h−18h−12h−6hnow
Earth · GOES-19 ABI
Full Disk · Visible · GeoColor
GOES-19 full disk Visible · GeoColor
True-color daytime, blue/IR sandwich at night
14:14 UTC · South St. Paul, MN · NOAA NESDIS / STAR · up to 10848 px
Continental US · GOES-19 ABI
CONUS Sector · Visible · GeoColor
GOES-19 CONUS Visible · GeoColor
Daytime true-color, blue-light/IR sandwich at night
14:14 UTC · South St. Paul, MN · NOAA NESDIS / STAR · 5-min cadence · up to 10000 px
South St. Paul, MN
Satellite · infrared · animated
South St. Paul, MN
Loading IR frames…
IR · cloud-top temp© RainViewer · Carto
South St. Paul, MN
Almanac · Saturday, July 4
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
Civil dawn
4:55 AM
Sunrise
12:31 AM
Daylight
15h 30m
Sunset
4:01 PM
Civil dusk
9:39 PM
Planting note
Harvest early potatoes. Begin drying onions on the surface.
South St. Paul, MN
The moon
Waning Gibbous
81% illuminated
Moonrise
11:14 PM
Moonset
10:12 AM
In sign
♓︎ Pisces
South St. Paul, MN
Microseason
Jul 1–5

Cicadas claim the afternoon

bird
Jan 151% of the yearDec 31

Read this microseason across nine climate regions →

South St. Paul at a glance

  • Today vs. normal: 5°F above the seasonal normal for this latitude
  • Last frost: May 15 (climatological average for this latitude)
  • Microseason: Jul 1–5
  • Planting window: Harvest early potatoes. Begin drying onions on the surface.

16-Day Forecast — South St. Paul

  1. Sat87°66°19%
  2. Sun87°68°15%
  3. Mon84°66°4%
  4. Tue88°68°30%
  5. Wed76°69°51%
  6. Thu81°62°51%
  7. Fri84°63°16%
  8. Sat78°66°16%
  9. Sun77°59°12%
  10. Mon79°59°14%
  11. Tue81°60°9%
  12. Wed85°67°14%
  13. Thu87°63°11%
  14. Fri92°69°16%
  15. Sat88°71°26%
  16. Sun93°73°29%

Forecast data from Open-Meteo (CC BY 4.0).

Right now in the garden

Peak growing season

As of July 4, the growing season is at its peak — frost is months away. Continue succession-planting beans and summer squash. Start fall brassicas (broccoli, cabbage, kale) from seed indoors for transplanting in late summer.

SPC Convective Outlook

Storm Prediction Center — South St. Paul

SPC has placed South St. Paul in the Marginal Risk category for severe thunderstorms today.

  • TODAYMRGLMarginal Risk
  • TOMORROWTSTMGeneral Thunderstorms
  • DAY 3TSTMGeneral Thunderstorms

Isolated severe storms possible. Limited threat for hail or damaging wind.

Source: NOAA / NWS Storm Prediction Center categorical convective outlook. Outlooks are re-issued multiple times per day; this page reflects the most recent SPC polygons covering the city’s coordinates.

January 1–5: Winter settles deep on the plains.January 6–10: Arctic cold grips the heartland.January 11–15: Sunlight returns to the sloped terrain.January 16–20: Ring-necked pheasants call from cover.January 21–25: Deepest cold locks the prairie.January 26–31: Deep winter's pivot point.February 1–5: February's first breath.February 6–10: Subtle shifts in the light.February 11–15: Bald eagles concentrate on open water.February 16–20: Cold rebound before the final thaw.February 21–25: First killdeer return to thawed fields.February 26–28: Winter's veil grows thin.March 1–5: Ice withdraws from the land.March 6–10: Hibernators wake to open air.March 11–15: Spring arrives with fury and grace.March 16–20: Sandhill Cranes Rise from the Platte.March 21–25: Equinox — Night and Day Hold Balance.March 26–31: First Green Breaks Through Brown Earth.April 1–5: Thunder Voices Wake the Prairie.April 6–10: Cliff Swallows Return to Mud Nests.April 11–15: Wild Geese Wing North in Massive Flocks.April 16–20: Rainbows Follow Afternoon Storms.April 21–25: Prairie Sedges Push Through Wet Soil.April 26–30: Last Frost Retreats North.May 1–5: Wildflowers Erupt Across the Prairie.May 6–10: Grain Rains Feed the Growing Fields.May 11–15: Seedlings Rise From Frost-Free Soil.May 16–20: Roses Bloom Along the Shelter Rows.May 21–25: Summer Arrives Early in Wind and Heat.May 26–31: Frogs Begin Their Nightly Chorus.June 1–5: Prairie lightning bugs rise.June 6–10: Earthworms surface after rain.June 11–15: Toward the solstice glow.June 16–20: Lesser ripening, greater heat.June 21–25: Solstice—sun at zenith.June 26–30: Fireflies in the darkening oak.July 1–5: Cicadas claim the afternoon.July 6–10: Warm wind sweeps the tallgrass.July 11–15: Thunder builds every afternoon.July 16–20: Corn tassels and reaches peak.July 21–25: Dog days settle in haze.July 26–31: Katydid chorus erupts at dusk.August 1–5: Great rains sometimes fall.August 6–10: Autumn's edge approaches.August 11–15: Cool wind rises from the north.August 16–20: Late summer wind through tallgrass.August 21–25: Dew settles on the tallgrass.August 26–31: Monarchs gather on prairie.September 1–5: Corn tassels and heavy skies.September 6–10: Purple asters rise on the prairie.September 11–15: Hawks ride thermal currents south.September 16–20: Equinox brings balance to day.September 21–25: Thunder stills across the plains.September 26–30: Snow geese wheel through the flyway.October 1–5: Prairie enters dormancy slowly.October 6–10: Geese gather on autumn waters.October 11–15: First widespread freeze arrives.October 16–20: Oaks turn bronze and russet.October 21–25: Frost deepens through the night.October 26–31: Light rains fall on frozen ground.November 1–5: Tallgrass turns gold.November 6–10: North wind strips the oak.November 11–15: Frost locks the prairie.November 16–20: Open sky grows cold.November 21–25: First snow falls soft.November 26–30: Blizzard drives the herds.December 1–5: Deep winter takes hold.December 6–10: Sky closes cold, winter reigns.December 11–15: Darkness deepens, life retreats.December 16–20: Rivers turn to stone.December 21–25: Solstice — sun begins return.December 26–31: The year turns in silence.🌱February 14 — First skunk-cabbage spathes thaw their way up☀️March 20 — Spring equinox — day and night balance🌸April 5 — Cherry blossoms peak in the parks🐦May 10 — Warbler migration peaks along the coast✨May 25 — First fireflies scout the meadows at dusk🌞June 21 — Summer solstice — longest day🦗July 25 — Peak cicada chorus in the afternoons🌊August 18 — Warmest sea-surface temperatures of the year🍂September 22 — Autumn equinox — the slow turn❄️October 25 — First widespread frost in the suburbs🍁November 10 — Peak leaf color across the Hudson Valley🌙December 21 — Winter solstice — longest night

Microseason · July 1–5

Cicadas claim the afternoon

Millions of periodical and annual cicadas emerge, their droning chorus filling the summer heat; the soundtrack of midsummer settles over prairie and wetland.

Day 185 of 365 · Wedge 37 of 72

The solar year drawn as a wheel of 72 five-day windows. Each wedge is one microseason; the four colored arcs mark winter, spring, summer, and autumn; the small icons sit at notable phenological events. The crimson pointer creeps clockwise as the year turns.

Planting calendar

MonthPlantHarvest
January——
February——
March——
April——
Maylettuce, peas, spinach, radisheslettuce, peas, radishes
Junelettuce, peas, spinach, radishes, tomatoes, peppers, beans, squashlettuce, peas, radishes
Julytomatoes, peppers, beans, squashtomatoes, beans, summer squash
Augusttomatoes, peppers, beans, squash, fall brassicas, garlic (overwinter), carrotstomatoes, beans, summer squash
Septemberfall brassicas, garlic (overwinter), carrotstomatoes, beans, summer squash
October—winter squash, tomatoes (last)
November——
December——

A year in weather

South St. Paul's warmest month is July (~74°F mean) and its coldest is January (~14°F). Rainfall peaks in June (4.4 inches) and bottoms out in January (1.1 inches).

MonthMean tempPrecipRainy days
January14°1.1″14
February19°1.2″11
March31°2.1″14
April46°3.3″17
May57°3.9″18
June68°4.4″17
July74°3.5″14
August72°3.6″14
September64°3.9″14
October50°2.4″13
November32°2.2″14
December18°1.4″14

Regional context

South St. Paul swings from 14°F in January to 74°F in July (59°F) per NOAA NCEI 1991-2020 normals; precipitation in South St. Paul runs about 33.1 inches on roughly 173 measurable days.

South St. Paul's rain peaks in summer: June brings 4.4 inches over 16.8 thunderstorm-fed days, while January sees just 1.1 inches across 13.5 days under cooler, drier air. That puts South St. Paul in a summer-convective cohort with places like Newport, MN, West St. Paul, MN and Sunfish Lake, MN.

Once South St. Paul passes late-May, overnight freezes fade and kale, peas, spinach, and parsnips can be sown. Tomatoes and peppers do best set out two weeks later in South St. Paul, once nights clear the mid-40s°F. The season ends by early-October in South St. Paul, once hard frosts set back in. A creek-bottom lot in South St. Paul can lag South St. Paul's last frost 7-10 days behind a south slope.

Similar climates: Newport, MN, West St. Paul, MN, Sunfish Lake, MN, St. Paul Park, MN, Inver Grove Heights, MN.

Frequently asked

When does it freeze in South St. Paul?
In South St. Paul, expect the last spring frost near mid-May; South St. Paul's first autumn frost comes around mid-October.
What is the rainy season in South St. Paul?
June is the wettest month in South St. Paul, about 4.4 inches on average; the year totals roughly 33 inches.
What is the warmest month in South St. Paul?
On average July tops the year in South St. Paul at about 74°F.
What is the coldest month in South St. Paul?
The coldest stretch in South St. Paul falls in January, around 14°F on average.
When can I start a vegetable garden in South St. Paul?
Around mid-May, start frost-hardy crops in South St. Paul; tomatoes and basil belong a fortnight later.
How many rainy days does South St. Paul get?
South St. Paul records around 173 days of measurable precipitation annually.
What hardiness zone is South St. Paul?
With January around 14°F, South St. Paul's zone reflects that minimum — the USDA ZIP map confirms South St. Paul's band.
What is the 10-day forecast for South St. Paul?
South St. Paul's extended outlook — daily high and low temperatures and precipitation chances for each upcoming day — is in the daily forecast above.
Will it rain this week in South St. Paul?
See this week's day-by-day rain chances for South St. Paul in the daily forecast above, and the next 24 hours in the hourly chart.
What is the weather like right now in South St. Paul?
Current conditions for South St. Paul and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
How often is the South St. Paul forecast updated?
The South St. Paul forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
When are sunrise and sunset in South St. Paul?
Today's sunrise and sunset times for South St. Paul are in the Almanac section above, along with civil dawn, civil dusk, and day length. Day length is longest near the summer solstice and shortest near the winter solstice.
How accurate is the weather forecast for South St. Paul?
The next few days in South St. Paul's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.

Climate

In South St. Paul, Minnesota, the warm-summer humid continental climate runs from about 14°F in January to 74°F in July, a 60°F seasonal range.

South St. Paul sees close to 33 inches of precipitation annually, falling across some 173 wet days.

South St. Paul's 60°F range, set by its 44.9°N position, drives frost timing and what thrives in South St. Paul.

All cities in Minnesota →

St. Paul, MN weather →

ZIP codes in South St. Paul

  • 55075

Climate normals from the Open-Meteo Climate API. Köppen approximation from NOAA NCEI U.S. Climate Regions. See methodology for data sources, editorial rules, and corrections. Maintainer: Brian Tighe.