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Safety guides Use current official weather information for Petersham, Massachusetts 01366 before making weather-sensitive plans.
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No active NWS alerts found for Petersham, Massachusetts 01366
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What’s next
Hourly forecast
Check the latest hourly conditions, seven-day outlook, rain timing, wind, sunrise and sunset for Petersham, Massachusetts 01366. Forecasts and alerts update from NOAA and the National Weather Service.
71°Chance Showers And Thunderstorms27% rain69°Chance Showers And Thunderstorms28% rain68°Chance Showers And Thunderstorms26% rain
66°Slight Chance Rain Showers24% rain65°Slight Chance Rain Showers16% rain
64°Mostly Cloudy8% rain63°Mostly Cloudy6% rain62°Mostly Cloudy3% rainNext 24 hours
Rain Timeline
Scattered precipitation is possible. The highest official hourly chance is 28%; check the radar before heading out.
27%Thunderstorms
28%Thunderstorms
26%Thunderstorms
24%Rain
16%Rain
8%None
6%None
3%None
1%None
1%None
0%None
0%None
2%None
4%None
6%None
5%None
3%None
2%None
10%None
17%Rain
25%Thunderstorms
18%Thunderstorms
12%None
5%None
Official NWS outlook
7-Day Forecast
Today
71°57°
Chance Showers And Thunderstorms then Areas Of Fog
- Precipitation
- 28%
- Wind
- SW 5 mph
- Sunrise
- 6:05 AM
- Sunset
- 7:40 PM
Mon
75°54°
Areas Of Fog then Chance Showers And Thunderstorms
- Precipitation
- 25%
- Wind
- SW 3 to 12 mph
- Sunrise
- 6:06 AM
- Sunset
- 7:38 PM
Tue
75°55°
Mostly Sunny
- Precipitation
- 7%
- Wind
- W 5 to 10 mph
- Sunrise
- 6:07 AM
- Sunset
- 7:37 PM
Wed
78°58°
Sunny
- Precipitation
- 1%
- Wind
- W 2 to 6 mph
- Sunrise
- 6:08 AM
- Sunset
- 7:35 PM
Thu
79°62°
Mostly Sunny then Slight Chance Showers And Thunderstorms
- Precipitation
- 58%
- Wind
- S 2 to 10 mph
- Sunrise
- 6:09 AM
- Sunset
- 7:33 PM
Fri
80°59°
Rain Showers Likely
- Precipitation
- 56%
- Wind
- S 5 to 8 mph
- Sunrise
- 6:10 AM
- Sunset
- 7:32 PM
Sat
78°55°
Sunny
- Precipitation
- 6%
- Wind
- NW 3 to 8 mph
- Sunrise
- 6:11 AM
- Sunset
- 7:30 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 Feel75°F
Good conditions for walking
Conditions look reasonable, but stay alert for quick weather changes.
WindSE7 mph
Best walk timeBetter weather window: 12 AM–2 AM
Walking: 5% average rain chance, near 63°F, with winds near 3 mph.
Official EPA AirNowLocal air qualityPetersham, Massachusetts 01366View AQI +
More weather details
Wind gustsNot reported
Rain now27%next hour
Humidity74%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
Pressure29.81 in
Visibility10.0 mi
Peak rain chance28%
Dew point66°F
Active alertsNone
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