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Safety guides Use current official weather information for Grand Valley, Pennsylvania 16420 before making weather-sensitive plans.
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Open→Weather status
No active NWS alerts found for Grand Valley, Pennsylvania 16420
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 Grand Valley, Pennsylvania 16420. Forecasts and alerts update from NOAA and the National Weather Service.
68°Showers And Thunderstorms Likely56% rain65°Chance Showers And Thunderstorms52% rain63°Chance Showers And Thunderstorms48% rain58°Showers And Thunderstorms Likely59% rain57°Showers And Thunderstorms Likely71% rain56°Showers And Thunderstorms82% rain55°Showers And Thunderstorms Likely71% rain55°Chance Showers And Thunderstorms38% rainNext 24 hours
Rain Timeline
Most likely around 6 PM, 7 PM, 8 PM, 9 PM. Expected type: Thunderstorms / Rain.
56%Thunderstorms
52%Thunderstorms
48%Thunderstorms
59%Thunderstorms
71%Thunderstorms
82%Thunderstorms
71%Thunderstorms
38%Thunderstorms
32%Thunderstorms
18%Thunderstorms
18%Thunderstorms
12%None
9%None
8%None
12%None
18%Rain
15%Rain
17%Rain
23%Rain
22%Rain
27%Thunderstorms
34%Thunderstorms
38%Thunderstorms
26%Rain
Official NWS outlook
7-Day Forecast
Today
68°51°
Showers And Thunderstorms
- Precipitation
- 82%
- Wind
- SW 2 to 8 mph
- Sunrise
- 6:36 AM
- Sunset
- 8:08 PM
Mon
67°53°
Chance Showers And Thunderstorms
- Precipitation
- 38%
- Wind
- W 3 to 9 mph
- Sunrise
- 6:37 AM
- Sunset
- 8:06 PM
Tue
75°51°
Slight Chance Rain Showers then Partly Sunny
- Precipitation
- 16%
- Wind
- W 2 to 7 mph
- Sunrise
- 6:38 AM
- Sunset
- 8:05 PM
Wed
80°58°
Mostly Sunny
- Precipitation
- 9%
- Wind
- S 0 to 5 mph
- Sunrise
- 6:39 AM
- Sunset
- 8:03 PM
Thu
81°60°
Showers And Thunderstorms Likely
- Precipitation
- 57%
- Wind
- S 3 to 7 mph
- Sunrise
- 6:40 AM
- Sunset
- 8:02 PM
Fri
79°54°
Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
- Precipitation
- 23%
- Wind
- W 0 to 6 mph
- Sunrise
- 6:41 AM
- Sunset
- 8:00 PM
Sat
78°55°
Mostly Sunny
- Precipitation
- 5%
- Wind
- NW 0 to 3 mph
- Sunrise
- 6:42 AM
- Sunset
- 7:58 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 Feel68°F
Good conditions for walking
Conditions look reasonable, but stay alert for quick weather changes.
WindW5 mph
Best walk timeBetter weather window: 5 AM–7 AM
Walking: 11% average rain chance, near 52°F, with winds near 3 mph.
Official EPA AirNowLocal air qualityGrand Valley, Pennsylvania 16420View AQI +
More weather details
Wind gustsNot reported
Rain now56%next hour
Humidity78%current
UV indexCheckingEPA forecast
Wind impact: Light wind with little expected outdoor impact.
“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 gustNot reported
Pressure29.92 in
Visibility10.0 mi
Peak rain chance82%
Dew point61°F
Active alertsNone
Official risk outlooks
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