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

Washington, Pennsylvania Weather

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

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

Washington, PA
Saturday, July 4 at 7:10 AM
71
°
Clear
Feels like
76°
Humidity
79%
Wind
2 mph
Sunrise
1:57 AM
Sunset
4:53 PM
Washington, PA
Hour by hour · 24h
24-Hour ForecastWashington, PA: 24-hour forecast. Temperatures range from 71 to 95 degrees Fahrenheit with a 25% chance of precipitation at 6 PM.
L 71°H 95°
Washington, PA
7-day forecast
  1. Today
    Jul 4
    Light Drizzle
    25%
    0.01″
    95°69°
  2. Sunday
    Jul 5
    Light Showers
    78%
    0.07″
    91°71°-4°
  3. Monday
    Jul 6
    Thunderstorm
    78%
    0.03″
    79°65°-12°
  4. Tuesday
    Jul 7
    Foggy
    32%
    77°61°-2°
  5. Wednesday
    Jul 8
    Overcast
    13%
    82°59°+5°
  6. Thursday
    Jul 9
    Light Drizzle
    51%
    83°63°+1°
  7. Friday
    Jul 10
    Light Drizzle
    54%
    82°63°-1°
Washington, PA
Anemometer · 24h winds · from true
NESW
From · True
SSW
207° · backing 14°
Direction
SSW
207°
Sustained
2
mph
Gust
7
mph
Peak 24h
24
avg 6
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 6 · pk 24 @ 12:00a
0102030MPHB1B2B3B4B5B6-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 274SUSTGUST
−24h−18h−12h−6hnow
Light breeze backing 14° from the ssw.
Washington, PA
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
976.0
+0.8 mb in 3h · rising · 28.82 inHg
Now
976.0
mb
3h
+0.8
mb
12h
+0.2
mb
24h
-1.8
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 975979
970975980985-21h-18h-15h-12h-9h-6h-3h-24hNOW978.7974.8976.0
−24h−18h−12h−6hnow
Deep low — expect rough seas, strong wind, and persistent rain.
Washington, PA
Air quality
60
AQI
Moderate
0 in 6h

AQI 60 (Moderate), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 25.4 µg/m³ (AQI 81) with a 0.99 fine-to-coarse ratio and 2 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
25.4μg/m³
PM 10Good
26μg/m³
NO₂Good
7μg/m³
OzoneModerate
61μg/m³
UV IndexLow
0.2

What's driving it

PM × Wind × Precip

PM2.5 at 25.4 µg/m³ (AQI 81) with a 0.99 fine-to-coarse ratio and 2 mph wind — combustion smoke trapped in calm air, not road dust.

PM2.5/PM10
0.99
Wind
calm
Recent rain
0h in last 6h
Pattern
stagnant smoke
Washington, PA
Sky cover · visibility · 24h
Cloud cover
0%
CLEAR
100%0%−24h−18h−12h−6hnow

Visibility
37.3mi
UNLIMITED
69 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
11:10 UTC · Washington, 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
11:10 UTC · Washington, PA · NOAA NESDIS / STAR · 5-min cadence · up to 10000 px
Washington, PA
Satellite · infrared · animated
Washington, PA
Loading IR frames…
IR · cloud-top temp© RainViewer · Carto
Washington, PA
Almanac · Saturday, July 4
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
Civil dawn
5:25 AM
Sunrise
1:57 AM
Daylight
14h 56m
Sunset
4:53 PM
Civil dusk
9:27 PM
Planting note
Harvest early potatoes. Begin drying onions on the surface.
Washington, PA
The moon
Waning Gibbous
82% illuminated
Moonrise
11:15 PM
Moonset
10:24 AM
In sign
♓︎ Pisces
Washington, PA
Microseason
Jul 1–5

Cicadas claim the afternoon

plant
Jan 151% of the yearDec 31

Read this microseason across nine climate regions →

Washington at a glance

  • Today vs. normal: 71°F — typical for the season
  • Last frost: April 17 (climatological average for this latitude)
  • Microseason: Jul 1–5
  • Planting window: Harvest early potatoes. Begin drying onions on the surface.

ZIP code: 15301

15-Day Forecast — Washington

  1. Sat95°69°25%
  2. Sun91°71°78%
  3. Mon79°65°78%
  4. Tue77°61°32%
  5. Wed82°59°13%
  6. Thu83°63°51%
  7. Fri82°63°54%
  8. Sat80°62°42%
  9. Sun79°63°34%
  10. Mon81°58°17%
  11. Tue85°63°17%
  12. Wed71°58°23%
  13. Thu79°55°35%
  14. Fri87°59°52%
  15. Sat78°64°45%

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 — Washington

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

  • TODAYSLGTSlight Risk
  • TOMORROWMRGLMarginal Risk
  • DAY 3TSTMGeneral Thunderstorms

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.

ZIP codes in Washington

  • 15301

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.