⚠️ Active Weather Alerts
- Air Quality Alert: Air Quality Alert issued July 17 at 6:08PM EDT by NWS Boston/Norton MA
📍 Chelmsford, MA
☀️
57°
Feels like 57° · Clear
💧
Humidity
88%
🌬
Wind
17 mph WNW
🌡
Dewpoint
54°
👁
Visibility
10 mi
Hourly Forecast
7-Day Forecast
🗓 Today
🌤
💧37%
82°
Sunday
☀️
78°
Monday
☀️
80°
Tuesday
⛈
💧33%
83°
Wednesday
⛈
💧76%
84°
Thursday
⛈
💧25%
84°
Friday
⛅
💧11%
85°
Air Quality
EPA AirNow0
Unknown
Air Quality Index
Primary
--
PM2.5
—
Ozone
—
Fire Risk
USFS / NWS🔥
Moderate
Fire Weather Index: 14
🌬
Wind Speed
3 mph
💧
Humidity
37%
Sun & UV
🌅
9:24 AM
Sunrise
9
Very High
UV Index
🌇
12:19 AM
Sunset
Moon Phase
🌒
Waxing Crescent
14% Illumination
Moonrise @ 8:57 PM