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Saint Davids, Pennsylvania Weather

Cicadas claim the afternoon. Day 15 of summer. Read this microseason across nine climate regions →

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

Saint Davids, PA
Sunday, July 5 at 3:09 PM
90
°
Clear
Feels like
99°
Humidity
50%
Wind
3 mph
Sunrise
1:38 AM
Sunset
4:33 PM
Saint Davids, PA
Hour by hour · 24h
24-Hour ForecastSaint Davids, PA: 24-hour forecast. Temperatures range from 70 to 91 degrees Fahrenheit with a 55% chance of precipitation at 1 AM.
L 70°H 91°
Saint Davids, PA
7-day forecast
  1. Today
    Jul 5
    Light Drizzle
    53%
    0.03″
    91°70°—
  2. Monday
    Jul 6
    Rain
    55%
    0.30″
    73°69°-18°
  3. Tuesday
    Jul 7
    Light Drizzle
    55%
    —
    71°64°-2°
  4. Wednesday
    Jul 8
    Overcast
    37%
    —
    81°65°+10°
  5. Thursday
    Jul 9
    Drizzle
    29%
    —
    88°69°+7°
  6. Friday
    Jul 10
    Overcast
    36%
    —
    87°71°-1°
  7. Saturday
    Jul 11
    Overcast
    36%
    —
    85°69°-2°
Saint Davids, PA
Next 24 hours · Warm now
HOT 90°66°81°96°12p6p12a6anow 90°high 91°low 70°PRECIP %
Saint Davids, PA
Anemometer · 24h winds · from true
NESW
From · True
SSE
165° · backing 96°
Direction
SSE
165°
Sustained
3
mph
Gust
5
mph
Peak 24h
37
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 37 @ 9:00p
01020MPHB1B2B3B4B5-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 209SUSTGUST
−24h−18h−12h−6hnow
A whisper of wind — leaves barely shift on the trees.
Saint Davids, PA
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
999.5
-1.3 mb in 3h · falling · 29.52 inHg
Now
999.5
mb
3h
-1.3
mb
12h
+1.3
mb
24h
+1.1
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 996–1001
9909951000STORM|RAIN10051010RAIN|CHG1015CHG|FAIR10201025FAIR|DRY1030-21h-18h-15h-12h-9h-6h-3h-24hNOW1001.3996.4999.5
−24h−18h−12h−6hnow
Deep low still deepening — rough seas, strong wind, persistent rain.
Saint Davids, PA
Air quality
76
AQI
Moderate
↑+36 in 6h▲Peak ~135 @ 11 PM

AQI 76 (Moderate), driven by Ozone. AQI up 36 in the last 6 hours — air quality is degrading. Ozone at AQI 154 — peak already passed at 1 PM under partly cloudy skies. Levels should ease through evening.

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

PM 2.5Moderate
14.8μg/m³
PM 10Good
16μg/m³
NO₂Good
3μg/m³
OzoneDRIVERUnhealthy
171μg/m³
UV IndexModerate
5.0

What's driving it

Ozone × UV × Sky

Ozone at AQI 154 — peak already passed at 1 PM under partly cloudy skies. Levels should ease through evening.

Present
AQI 154
UV peak
4.8 at earlier today
Sky at peak
partly cloudy
Projected peak
AQI 154

PM × Wind × Precip

PM2.5 at 14.8 µg/m³ (AQI 62) with a 0.94 fine-to-coarse ratio and 3 mph wind — combustion smoke trapped in calm air, not road dust.

PM2.5/PM10
0.94
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 TREND50100SUNMONTUEWEDTHUFRISATSUN7-DAY PM2.5 TREND · μg/m³450
Saint Davids, PA
Sky cover · visibility · 24h
Cloud cover
0%
CLEAR
100%0%−24h−18h−12h−6hnow
Visibility
76.4mi
UNLIMITED
116 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
19:09 UTC · Saint Davids, PA · 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
19:09 UTC · Saint Davids, PA · NOAA NESDIS / STAR · 5-min cadence · up to 10000 px
Saint Davids, PA
Satellite · infrared · animated
Saint Davids, PA
Loading IR frames…
IR · cloud-top temp© RainViewer · Carto
Saint Davids, PA
Almanac · Sunday, July 5
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
Civil dawn
5:06 AM
Sunrise
1:38 AM
Daylight
14h 55m
Sunset
4:33 PM
Civil dusk
9:07 PM
Planting note
Harvest early potatoes. Begin drying onions on the surface.
Saint Davids, PA
The moon
Waning Gibbous
70% illuminated
Moonrise
11:18 PM
Moonset
11:11 AM
In sign
♓︎ Pisces
Saint Davids, PA
Microseason
Jul 1–5

Cicadas claim the afternoon

fish
Jan 151% of the yearDec 31

Read this microseason across nine climate regions →

Saint Davids at a glance

  • Today vs. normal: 18°F above the seasonal normal for this latitude
  • Last frost: April 16 (climatological average for this latitude)
  • Microseason: Jul 1–5
  • Planting window: Harvest early potatoes. Begin drying onions on the surface.

16-Day Forecast — Saint Davids

  1. Sun91°70°53%
  2. Mon73°69°55%
  3. Tue71°64°55%
  4. Wed81°65°37%
  5. Thu88°69°29%
  6. Fri87°71°36%
  7. Sat85°69°36%
  8. Sun80°68°17%
  9. Mon87°67°16%
  10. Tue72°64°12%
  11. Wed75°64°13%
  12. Thu78°63°23%
  13. Fri87°66°22%
  14. Sat87°68°26%
  15. Sun79°69°26%
  16. Mon69°65°23%

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

Right now in the garden

Peak growing season

As of July 5, 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 — Saint Davids

SPC has placed Saint Davids in the Slight Risk category for severe thunderstorms today.

  • TODAYSLGTSlight Risk
  • TOMORROWTSTMGeneral Thunderstorms
  • DAY 3NONENo severe risk

Scattered severe storms possible. A few tornadoes, hail, and damaging wind gusts possible.

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: The year turns in silence.January 6–10: Ice thickens on still water.January 11–15: Shortest shadows lengthen.January 16–20: Pheasants begin to call.January 21–25: Springs begin to thaw.January 26–31: Chickadees announce dawn.February 1–5: East wind softens the frost.February 6–10: Sap begins to rise.February 11–15: First snowdrops appear.February 16–20: Red-winged blackbirds return.February 21–25: Rain begins to replace snow.February 26–28: Skunk cabbage pushes through ice.March 1–5: Ice withdraws from the reservoir.March 6–10: Crocuses open to weak sun.March 11–15: Peepers call from the marsh.March 16–20: Woodcocks spiral at dusk.March 21–25: Equinox — light overtakes dark.March 26–31: Forsythia opens along the fences.April 1–5: Cherry blossoms drift like snow.April 6–10: Warblers appear in the understory.April 11–15: Magnolias bloom and fall in a day.April 16–20: Dogwoods float above the forest.April 21–25: Lilacs perfume the evening.April 26–30: Last frost releases the garden.May 1–5: Warblers flood the Ramble.May 6–10: Tulip poplars light their candles.May 11–15: Shad run up the rivers.May 16–20: Roses open along the stoops.May 21–25: Firefly scouts appear at dusk.May 26–31: Strawberries ripen in the sun.June 1–5: Fireflies rise from the lawn.June 6–10: Elderflowers open in hedgerows.June 11–15: Solstice approaches — longest light.June 16–20: Honeysuckle sweetens the night.June 21–25: Solstice — the sun stands still.June 26–30: Lightning bugs drift through oaks.July 1–5: Cicadas claim the afternoon.July 6–10: Queen Anne's lace lines the roads.July 11–15: Thunder builds each afternoon.July 16–20: Corn reaches for the tassels.July 21–25: Dog days settle in the haze.July 26–31: Katydids begin their chorus.August 1–5: Night falls a minute earlier.August 6–10: Sunflowers face the morning.August 11–15: Goldenrod begins to bloom.August 16–20: Crickets pulse through warm nights.August 21–25: First cool morning surprises.August 26–31: Monarchs stage for flight.September 1–5: School buses reappear.September 6–10: Asters purple the roadsides.September 11–15: Hawk migration over the Hudson.September 16–20: Equinox — dark overtakes light.September 21–25: Apples hang heavy on the branch.September 26–30: Geese begin to chevron south.October 1–5: Witch hazel blooms as others fade.October 6–10: Maples begin to blaze.October 11–15: Frost paints the garden black.October 16–20: Oaks turn bronze and russet.October 21–25: Leaves rattle down the gutters.October 26–31: Clocks fall back — dusk at five.November 1–5: Ginkgos drop overnight.November 6–10: Last leaves cling stubbornly.November 11–15: Juncos arrive from the north.November 16–20: Bare branches reveal the sky.November 21–25: First flurries dust the rooftops.November 26–30: Woodsmoke curls through the block.December 1–5: Darkness settles before dinner.December 6–10: Holly and winterberry persist.December 11–15: Shortest day approaches.December 16–20: Ice begins to form at the edges.December 21–25: Solstice — the 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

Annual cicada buzz begins, peaking in the heat of the day.

Day 186 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——
Aprillettuce, peas, spinach, radishes—
Maylettuce, peas, spinach, radishes, tomatoes, peppers, beans, squashlettuce, peas, radishes
Junetomatoes, peppers, beans, squashlettuce, peas, radishes
Julytomatoes, peppers, beans, squashtomatoes, beans, summer squash
August—tomatoes, beans, summer squash
Septemberfall brassicas, garlic (overwinter), carrotstomatoes, beans, summer squash
Octoberfall brassicas, garlic (overwinter), carrotswinter squash, tomatoes (last)
November——
December——

A year in weather

July is Saint Davids's warmest stretch (~77°F) and January its coldest (~31°F); precipitation crests in December at 4.2 inches and ebbs in February to 2.9 inches.

MonthMean tempPrecipRainy days
January31°3.4″13
February33°2.9″12
March42°3.7″15
April53°3.9″17
May61°3.7″17
June71°3.7″17
July77°3.3″16
August75°4.0″17
September69°3.7″13
October58°3.0″11
November45°3.6″13
December36°4.2″13

Regional context

Per NOAA NCEI 1991-2020 normals, Saint Davids runs from a 31°F January mean to 77°F in July, a 46°F seasonal spread, with near 43.1 inches of precipitation across about 173 wet days.

No season owns Saint Davids's rain: December reaches 4.2 inches across 13.0 days and February keeps 2.9 inches on 12.4, an even spread through Saint Davids's year. That lines Saint Davids up with places like Wayne, PA, Villanova, PA and Rosemont, PA, fed by overlapping storm tracks.

Around mid-April, Saint Davids sheds its freezing nights — peas, lettuce, spinach, and radishes go into Saint Davids's beds. Saint Davids's heat-lovers — tomatoes, peppers, squash — hold off until Saint Davids's frost risk clears, 10-14 days on. The season ends by mid-November in Saint Davids, once hard frosts set back in. Saint Davids's low ground holds frost later into spring than Saint Davids's benches, which run 3-5 days ahead.

Similar climates: Wayne, PA, Villanova, PA, Rosemont, PA, Devon, PA, Bryn Mawr, PA.

Frequently asked

When does it freeze in Saint Davids?
Saint Davids's last spring frost lands near mid-April, and in Saint Davids the first fall frost follows around mid-November.
What is the rainy season in Saint Davids?
Saint Davids sees its heaviest rain in December (around 4.2 inches), part of roughly 43 inches a year.
What is the warmest month in Saint Davids?
On average July tops the year in Saint Davids at about 77°F.
What is the coldest month in Saint Davids?
The coldest stretch in Saint Davids falls in January, around 31°F on average.
When can I start a vegetable garden in Saint Davids?
In Saint Davids, sow peas and hardy greens around mid-April; Saint Davids's tomatoes and peppers wait two weeks more.
How many rainy days does Saint Davids get?
Saint Davids averages about 173 days with measurable rain or snow each year.
What hardiness zone is Saint Davids?
With January around 31°F, Saint Davids's zone reflects that minimum — the USDA ZIP map confirms Saint Davids's band.
What is the 10-day forecast for Saint Davids?
Saint Davids'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 Saint Davids?
See this week's day-by-day rain chances for Saint Davids in the daily forecast above, and the next 24 hours in the hourly chart.
What is the weather like right now in Saint Davids?
Current conditions for Saint Davids and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
How often is the Saint Davids forecast updated?
The Saint Davids forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
When are sunrise and sunset in Saint Davids?
Today's sunrise and sunset times for Saint Davids 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 Saint Davids?
The next few days in Saint Davids's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.

Climate

In Saint Davids, Pennsylvania, the warm-summer humid continental climate runs from about 31°F in January to 77°F in July, a 46°F seasonal range.

In a typical year Saint Davids records about 43 inches of precipitation on around 173 days.

Saint Davids's 46°F range, set by its 40.0°N position, drives frost timing and what thrives in Saint Davids.

All cities in Pennsylvania →

Philadelphia, PA weather →

ZIP codes in Saint Davids

  • 19087
  • 19085

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.