Weather StoryAlmanac, microseasons, and the day's weather story.

Mentor, Minnesota Weather

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

Mentor weather forecast — hour by hour, 7-day outlook, NOAA radar

Mentor, MN
Saturday, July 4 at 10:08 AM
73
°
Mostly Clear
Feels like
78°
Humidity
79%
Wind
3 mph
Sunrise
12:32 AM
Sunset
4:25 PM
Mentor, MN
Hour by hour · 24h
24-Hour ForecastMentor, MN: 24-hour forecast. Temperatures range from 63 to 83 degrees Fahrenheit with a 32% chance of precipitation at 8 PM.
L 63°H 83°
Mentor, MN
7-day forecast
  1. Today
    Jul 4
    Heavy Rain
    32%
    0.51″
    83°62°—
  2. Sunday
    Jul 5
    Drizzle
    —
    0.02″
    82°63°-1°
  3. Monday
    Jul 6
    Light Showers
    60%
    0.02″
    86°67°+4°
  4. Tuesday
    Jul 7
    Rain
    60%
    0.27″
    78°61°-8°
  5. Wednesday
    Jul 8
    Drizzle
    57%
    0.02″
    77°59°-1°
  6. Thursday
    Jul 9
    Overcast
    13%
    —
    79°58°+2°
  7. Friday
    Jul 10
    Partly Cloudy
    16%
    —
    76°62°-3°
Mentor, MN
Next 24 hours · Mild now
58°73°88°6a12p6p12anow 73°high 83°low 63°PRECIP %
Mentor, MN
Anemometer · 24h winds · from true
NESW
From · True
E
094° · veering 22°
Direction
E
094°
Sustained
3
mph
Gust
7
mph
Peak 24h
15
avg 5
Beaufort · 1 · LIGHT AIR
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 5 · pk 15 @ 8:00p
01020MPHB1B2B3B4B5-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 225SUSTGUST
−24h−18h−12h−6hnow
Light breeze veering 22° from the e.
Mentor, MN
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
974.7
+1.8 mb in 3h · rising · 28.78 inHg
Now
974.7
mb
3h
+1.8
mb
12h
+2.3
mb
24h
+2.3
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 972–975
965970975980-21h-18h-15h-12h-9h-6h-3h-24hNOW974.7972.0974.7
−24h−18h−12h−6hnow
The low is filling — pressure climbing out of storm territory.
Mentor, MN
Air quality
29
AQI
Good
→+3 in 6h▲Peak ~35 @ 9 PM

AQI 29 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 7.7 µg/m³ (AQI 43) with a 0.78 fine-to-coarse ratio and 3 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 during the projected peak around 9 PM.

PM 2.5DRIVERGood
7.7μg/m³
PM 10Good
10μg/m³
NO₂Good
2μg/m³
OzoneModerate
71μg/m³
UV IndexModerate
2.8

What's driving it

Ozone × UV × Sky

Ozone at AQI 34 now. With UV 4.0 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 13 around 1 PM.

Present
AQI 34
UV peak
4.0 at 1 PM
Sky at peak
partly cloudy
Projected peak
AQI 13

PM × Wind × Precip

PM2.5 at 7.7 µg/m³ (AQI 43) with a 0.78 fine-to-coarse ratio and 3 mph wind — combustion smoke trapped in calm air, not road dust.

PM2.5/PM10
0.78
Wind
calm
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/m³300
Mentor, MN
Sky cover · visibility · 24h
Cloud cover
27%
MOSTLY CLEAR
100%0%−24h−18h−12h−6hnow
Visibility
37.3mi
UNLIMITED
99 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
15:08 UTC · Mentor, 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
15:08 UTC · Mentor, MN · NOAA NESDIS / STAR · 5-min cadence · up to 10000 px
Mentor, MN
Satellite · infrared · animated
Mentor, MN
Loading IR frames…
IR · cloud-top temp© RainViewer · Carto
Mentor, MN
Almanac · Saturday, July 4
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
Civil dawn
4:53 AM
Sunrise
12:32 AM
Daylight
15h 53m
Sunset
4:25 PM
Civil dusk
10:06 PM
Planting note
Harvest early potatoes. Begin drying onions on the surface.
Mentor, MN
The moon
Waning Gibbous
81% illuminated
Moonrise
11:32 PM
Moonset
10:21 AM
In sign
♓︎ Pisces
Mentor, MN
Microseason
Jul 1–5

Cicadas claim the afternoon

bird
Jan 151% of the yearDec 31

Read this microseason across nine climate regions →

Mentor at a glance

  • Today vs. normal: 9°F above the seasonal normal for this latitude
  • Last frost: June 1 (climatological average for this latitude)
  • Microseason: Jul 1–5
  • Planting window: Harvest early potatoes. Begin drying onions on the surface.

ZIP code: 56736

16-Day Forecast — Mentor

  1. Sat83°62°32%
  2. Sun82°63°2%
  3. Mon86°67°60%
  4. Tue78°61°60%
  5. Wed77°59°57%
  6. Thu79°58°13%
  7. Fri76°62°16%
  8. Sat70°57°16%
  9. Sun78°52°16%
  10. Mon83°58°12%
  11. Tue87°68°13%
  12. Wed77°57°13%
  13. Thu86°58°19%
  14. Fri82°57°17%
  15. Sat90°60°16%
  16. Sun96°72°21%

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 — Mentor

SPC has placed Mentor in the Marginal Risk category for severe thunderstorms day after tomorrow.

  • TODAYTSTMGeneral Thunderstorms
  • TOMORROWNONENo severe risk
  • DAY 3MRGLMarginal Risk

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

July is Mentor's warmest stretch (~69°F) and January its coldest (~6°F); precipitation crests in June at 4.5 inches and ebbs in February to 0.6 inches.

MonthMean tempPrecipRainy days
January6°0.6″2
February10°0.6″2
March24°0.9″2
April41°1.3″3
May54°2.9″6
June65°4.5″8
July69°3.6″7
August67°3.5″6
September58°2.8″5
October44°2.1″4
November27°0.8″3
December14°0.8″3

Regional context

By the nearest station's NOAA NCEI 1991-2020 normals, Mentor sees 6°F Januarys and 69°F Julys, a 63°F range, plus around 24.3 inches of precipitation across 51 days.

Precipitation in Mentor runs summer-dominant: June averages 4.5 inches across 7.9 days of warm-season storms, while February drops to 0.6 inches over 1.7 rainy days of drier cool air. It is a warm-season-wet pattern Mentor shares with places like Erskine, MN, Brooks, MN and McIntosh, MN.

The cool-season window in Mentor starts at late-May, when nights stop freezing — think kale, peas, spinach, and parsnips. In Mentor, warm-season transplants — tomatoes, peppers, basil — wait two weeks past Mentor's frost date. Around early-October, freezing nights resume in Mentor and tender crops must come in. In Mentor, low spots run 4-7°F colder than nearby slopes, nudging Mentor's frost dates a week.

Similar climates: Erskine, MN, Brooks, MN, McIntosh, MN, Fertile, MN, Winger, MN.

Frequently asked

When does it freeze in Mentor?
Mentor's last spring frost lands near mid-May, and in Mentor the first fall frost follows around mid-October.
What is the rainy season in Mentor?
June is the wettest month in Mentor, about 4.5 inches on average; the year totals roughly 24 inches.
What is the warmest month in Mentor?
July is Mentor's warmest month, averaging about 69°F.
What is the coldest month in Mentor?
Mentor bottoms out in January, with a mean near 6°F.
When can I start a vegetable garden in Mentor?
Time tomatoes in Mentor for two weeks after mid-May; peas and greens start at Mentor's frost line.
How many rainy days does Mentor get?
Expect roughly 51 wet days a year in Mentor.
What hardiness zone is Mentor?
Mentor sits in the USDA zone set by January lows near 6°F; the USDA ZIP tool gives the band.
What is the 10-day forecast for Mentor?
Mentor'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 Mentor?
See this week's day-by-day rain chances for Mentor in the daily forecast above, and the next 24 hours in the hourly chart.
What is the weather like right now in Mentor?
Current conditions for Mentor and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
How often is the Mentor forecast updated?
The Mentor forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
When are sunrise and sunset in Mentor?
Today's sunrise and sunset times for Mentor 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 Mentor?
The next few days in Mentor's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.

Climate

Mentor's warm-summer humid continental climate in Minnesota pairs 6°F Januarys with 69°F Julys, 63°F apart across the seasons.

In a typical year Mentor records about 24 inches of precipitation on around 51 days.

At 47.7°N, Mentor's 63°F summer-to-winter swing sets when Mentor's gardens wake and when frost returns.

All cities in Minnesota →

Grand Forks, ND weather →

ZIP codes in Mentor

  • 56736

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.