Current forecastStart with the hourly forecastCheck when rain, wind, and temperature changes overlap your plans.
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Safety guides Use current official weather information for Norristown, Pennsylvania 19403 before making weather-sensitive plans.
Live weatherCheck live radar before leavingUse radar with the forecast to see how precipitation is moving.
Open→Safety guideReview official safety guidancePrepare for storms, flooding, heat, cold, and other hazards.
Open→Healthy weatherInclude air quality in outdoor plansUse official EPA information when planning time outside.
Open→Weather status
No active NWS alerts found for Norristown, Pennsylvania 19403
Conditions can change quickly. Keep Wireless Emergency Alerts enabled and continue to monitor official information.
Official NOAA / NWSWSR-88D DopplerUpdates every 5 minutes
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What’s next
Hourly forecast
Check the latest hourly conditions, seven-day outlook, rain timing, wind, sunrise and sunset for Norristown, Pennsylvania 19403. Forecasts and alerts update from NOAA and the National Weather Service.
79°Sunny14% rain
79°Mostly Clear14% rain76°Mostly Clear14% rain70°Mostly Clear2% rain
69°Clear2% rain67°Clear0% rain66°Clear0% rain64°Clear0% rainNext 24 hours
Rain Timeline
No meaningful precipitation is expected in the official hourly forecast.
14%None
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2%None
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0%None
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0%None
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1%None
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Official NWS outlook
7-Day Forecast
Today
81°59°
Sunny
- Precipitation
- 14%
- Wind
- W 10 mph
- Sunrise
- 6:21 AM
- Sunset
- 7:49 PM
Mon
79°59°
Sunny
- Precipitation
- 2%
- Wind
- W 0 to 10 mph
- Sunrise
- 6:22 AM
- Sunset
- 7:47 PM
Tue
80°60°
Sunny
- Precipitation
- 0%
- Wind
- W 5 to 10 mph
- Sunrise
- 6:23 AM
- Sunset
- 7:46 PM
Wed
84°66°
Sunny
- Precipitation
- 39%
- Wind
- W 0 to 5 mph
- Sunrise
- 6:24 AM
- Sunset
- 7:44 PM
Thu
85°67°
Showers And Thunderstorms Likely
- Precipitation
- 66%
- Wind
- S 0 to 10 mph
- Sunrise
- 6:25 AM
- Sunset
- 7:43 PM
Fri
85°65°
Chance Showers And Thunderstorms
- Precipitation
- 25%
- Wind
- W 0 to 5 mph
- Sunrise
- 6:26 AM
- Sunset
- 7:41 PM
Sat
83°63°
Sunny
- Precipitation
- 8%
- Wind
- NW 0 to 5 mph
- Sunrise
- 6:27 AM
- Sunset
- 7:40 PM
Forecasts, icons, precipitation, wind, and alerts are from the National Weather Service. Sunrise and sunset are calculated locally for the selected coordinates.
Weather for a healthier day
Healthy Weather
Real Feel77°F
Good conditions for walking
Conditions look reasonable, but stay alert for quick weather changes.
WindW10 mph
Best walk timeBetter weather window: 10 PM–12 AM
Walking: 0% average rain chance, near 67°F, with winds near 5 mph.
Official EPA AirNowLocal air qualityNorristown, Pennsylvania 19403View AQI +
More weather details
Wind gusts21mph
Rain now14%next hour
Humidity54%current
UV indexCheckingEPA forecast
Wind impact: Breezy — cycling, umbrellas, and loose outdoor items may be affected.
“Better weather window” is planning guidance based on official NWS data—not a promise of safe conditions. Review active alerts and radar before leaving.
Storm & DetailsGusts, pressure, visibility and official risk outlooksView details +
Wind gust21 mph
Pressure29.85 in
Visibility10.0 mi
Peak rain chance14%
Dew point59°F
Active alertsNone
Official risk outlooks
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