Weather for Weston, Massachusetts
Current Weather
Humidity: 95%
Heat Index: 42.4°F
Feels Like: 37.4°F
Wind: SSW 5 mph
Wind Gusts: 12 mph
Wind Chill: 37.4°F
Dew Point: 37.4°F
Chance of Precipitation: 100%
Precipitation: 0.06 in
Cloud Cover: 100%
Visibility: 2 mi
UV Index: 0
Five Day Weather Forecast
Mon
H: 49°F
L: 30°F
Tue
H: 27°F
L: 25°F
Wed
H: 37°F
L: 25°F
Thu
H: 28°F
L: 21°F
Fri
H: 29°F
L: 18°F
Air Quality
Nitrogen Dioxide: 15.65 μg/m3
Sulphur Dioxide: 5.15 μg/m3
Ozone: 68 μg/m3
Astronomical
Sun Transit: 11:47 AM
Sunset: 4:21 PM
Daylight: 9 hrs 7 mins
Moon Transit: 7:24 PM
Moonset: 1:38 AM
Moon Phase: First Quarter
Moon Illumination: 73.5%
Best Times for Fishing or Hunting
Major Periods
9:03 AM - 11:33 AM6:54 PM - 9:24 PM
Minor Periods
11:38 AM - 1:08 PM1:08 AM - 2:38 AM
Action Rating: 2 out of 5
High Wind Watch issued December 29 at 12:38AM EST until December 31 at 1:00AM EST by NWS Boston/Norton MA
Effective: Mon December 29, 2025, 12:38 AM
Expires: Mon December 29, 2025, 1:45 PM
* WHAT...West winds of 20 to 30 mph with gusts of 50 to 60 mph possible. * WHERE...Central and Western Massachusetts. * WHEN...From this evening through late Tuesday night. Strongest of those winds will be Tuesday into Tuesday evening. * IMPACTS...Damaging winds could blow down trees and power lines. Power outages are possible. Travel could be difficult, especially for high profile vehicles.
Monitor the latest forecasts and warnings for updates.
High Wind Warning issued December 29 at 12:39PM EST until December 31 at 1:00AM EST by NWS Boston/Norton MA
Effective: Mon December 29, 2025, 12:39 PM
Expires: Tue December 30, 2025, 5:00 AM
* WHAT...West winds 10 to 20 mph with gusts up to 60 mph expected. * WHERE...Northern Worcester, Northern Middlesex, Western Franklin, Western Hampden, and Western Hampshire MA Counties. * WHEN...From 7 PM this evening to 1 AM EST Wednesday. * IMPACTS...Damaging winds will blow down trees and power lines. Power outages are possible. Travel will be difficult, especially for high profile vehicles.
Remain in the lower levels of your home during the windstorm, and avoid windows. Watch for falling debris and tree limbs. Use caution if you must drive.
Wind Advisory issued December 29 at 12:39PM EST until December 31 at 1:00AM EST by NWS Boston/Norton MA
Effective: Mon December 29, 2025, 12:39 PM
Expires: Tue December 30, 2025, 5:00 AM
* WHAT...West winds 10 to 20 mph with gusts up to 50 mph expected. * WHERE...Portions of northern Connecticut, eastern, northeastern, and southeastern Massachusetts, and northern and southern Rhode Island. * WHEN...From 7 PM this evening to 1 AM EST Wednesday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and some power outages may result.
Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution.
Wind Advisory issued December 29 at 12:39PM EST until December 31 at 1:00AM EST by NWS Boston/Norton MA
Effective: Mon December 29, 2025, 12:39 PM
Expires: Tue December 30, 2025, 5:00 AM
* WHAT...West winds 10 to 20 mph with gusts up to 50 mph expected. * WHERE...Southern Worcester, Eastern Franklin, Eastern Hampden, and Eastern Hampshire MA Counties. * WHEN...From 7 PM this evening to 1 AM EST Wednesday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and some power outages may result.
Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution.
Winter Weather Advisory issued December 29 at 12:45AM EST until December 29 at 7:00PM EST by NWS Gray ME
Effective: Mon December 29, 2025, 12:45 AM
Expires: Mon December 29, 2025, 12:45 PM
...WINTRY MIX LIKELY THROUGH TODAY... .A messy winter storm has arrived and will last through today. While all winter weather types are possible, it looks like this storm will feature enough freezing rain to make travel hazardous through this afternoon. * WHAT...Mixed precipitation. Additional snow accumulations up to one inch, sleet accumulations up to one tenth of an inch, and ice accumulations around four tenths of an inch. * WHERE...Portions of south central and southwest Maine and southern New Hampshire. * WHEN...Until 7 PM EST this evening. * IMPACTS...Difficult travel conditions are possible due to icy road conditions. This is especially true on untreated side roads. The hazardous conditions could impact the morning and evening commutes.
Slow down and use caution while traveling. The latest road conditions can be obtained by going to newengland511.org
Winter Weather Advisory issued December 29 at 12:22PM EST until December 29 at 7:00PM EST by NWS Gray ME
Effective: Mon December 29, 2025, 12:22 PM
Expires: Mon December 29, 2025, 7:00 PM
...WINTRY MIX LIKELY THROUGH THIS EVENING... .A messy winter storm continues to move through this afternoon and will last through the evening. Rain falling on freezing surfaces and mixed precipitation are still being observed. * WHAT...Freezing rain. Additional ice accumulations around a light glaze. * WHERE...Western and Central Hillsborough and Cheshire Counties. * WHEN...Until 7 PM EST this evening. * IMPACTS...Difficult travel conditions are possible due to icy road conditions. This is especially true on untreated side roads. Very slippery sidewalks, roads and bridges are possible. The hazardous conditions could impact the Monday evening commute.
Slow down and use caution while traveling. Prepare for possible power outages. The latest road conditions can be obtained by going to newengland511.org
Weather Forecast
Average Temperature: 40.6°F
Average Humidity: 90%
Wind: 13.6 mph
UV Index: 0
Air Quality
Nitrogen Dioxide: 25.43 μg/m3
Sulphur Dioxide: 3.94 μg/m3
Ozone: 46.16 μg/m3
Astronomical
Sun Transit: 11:47 AM
Sunset: 4:21 PM
Daylight: 9 hrs 7 mins
Moon Transit: 7:24 PM
Moonset: 1:38 AM
Moon Phase: First Quarter
Moon Illumination: 73.5%
Best Times for Fishing or Hunting
Major Periods
9:03 AM - 11:33 AM6:54 PM - 9:24 PM
Minor Periods
11:38 AM - 1:08 PM1:08 AM - 2:38 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 27.8°F
Average Humidity: 57%
Wind: 16.1 mph
UV Index: 0.2
Air Quality
Nitrogen Dioxide: 7.19 μg/m3
Sulphur Dioxide: 2.3 μg/m3
Ozone: 68.28 μg/m3
Astronomical
Sun Transit: 11:47 AM
Sunset: 4:22 PM
Daylight: 9 hrs 8 mins
Moon Transit: 8:21 PM
Moonset: 2:57 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 82.8%
Best Times for Fishing or Hunting
Major Periods
9:58 AM - 12:28 AM7:51 PM - 10:21 PM
Minor Periods
12:10 AM - 1:40 PM2:27 AM - 3:57 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 29.5°F
Average Humidity: 64%
Wind: 13.4 mph
UV Index: 0.2
Air Quality
Nitrogen Dioxide: 12.26 μg/m3
Sulphur Dioxide: 3.92 μg/m3
Ozone: 65.64 μg/m3
Astronomical
Sun Transit: 11:48 AM
Sunset: 4:23 PM
Daylight: 9 hrs 9 mins
Moon Transit: 9:24 PM
Moonset: 4:18 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 90.5%
Best Times for Fishing or Hunting
Major Periods
10:58 AM - 1:28 PM8:54 PM - 11:24 PM
Minor Periods
12:50 AM - 2:20 PM3:48 AM - 5:18 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 24.8°F
Average Humidity: 52%
Wind: 9.6 mph
UV Index: 0
Air Quality
Nitrogen Dioxide: 16.77 μg/m3
Sulphur Dioxide: 4.35 μg/m3
Ozone: 60.12 μg/m3
Astronomical
Sun Transit: 11:48 AM
Sunset: 4:24 PM
Daylight: 9 hrs 9 mins
Moon Transit: 10:30 PM
Moonset: 5:38 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 96.0%
Best Times for Fishing or Hunting
Major Periods
12:03 AM - 2:33 PM12:00 AM - 12:00 AM
Minor Periods
1:44 PM - 3:14 PM5:08 AM - 6:38 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 22.4°F
Average Humidity: 57%
Wind: 6.9 mph
UV Index: 1
Air Quality
Nitrogen Dioxide: 38.35 μg/m3
Sulphur Dioxide: 5.76 μg/m3
Ozone: 30.46 μg/m3
Astronomical
Sun Transit: 11:49 AM
Sunset: 4:24 PM
Daylight: 9 hrs 10 mins
Moon Transit: 11:37 PM
Moonset: 6:49 AM
Moon Phase: Full
Moon Illumination: 99.2%
Best Times for Fishing or Hunting
Major Periods
1:10 PM - 3:40 PM12:00 AM - 12:00 AM
Minor Periods
2:50 PM - 4:20 PM6:19 AM - 7:49 AM
Action Rating: 4 out of 5