Plan! needs attention 5 days Air + smoke Radar! needs attention Outdoor planning 1 2
Now
Temperature Rain Humidity Gusts 68° 2 PM 72° 5 PM 69° 9 PM 70° 10 PM 70° 12 AM 69° 3 AM 68° 5 AM 66° 6 AM 58° 10 AM 56° 1 PM
93% 93% 100% 97% 93% 90% 87% 90% 100% 90%
9 mph 10 mph 10 mph 12 mph 12 mph 13 mph 14 mph 17 mph 20 mph 22 mph 23 mph 23 mph 23 mph 23 mph 24 mph 24 mph 25 mph 25 mph 26 mph 25 mph 25 mph 23 mph 23 mph 24 mph
Thu 2:00 PM 68° Mostly Cloudy 7% rain 93% humidity Gusts 9 mph Thu 3:00 PM 70° Cloudy 6% rain 90% humidity Gusts 10 mph Thu 4:00 PM 72° Mostly Cloudy 8% rain 90% humidity Gusts 10 mph Thu 5:00 PM 72° Mostly Cloudy 12% rain 93% humidity Gusts 12 mph Thu 6:00 PM 73° Mostly Cloudy 12% rain 90% humidity Gusts 12 mph Thu 7:00 PM 72° Chance Showers And Thunderstorms 25% rain 93% humidity Gusts 13 mph Thu 8:00 PM 70° Chance Showers And Thunderstorms 35% rain 100% humidity Gusts 14 mph Thu 9:00 PM 69° Chance Showers And Thunderstorms 28% rain 100% humidity Gusts 17 mph Thu 10:00 PM 70° Slight Chance Showers And Thunderstorms 19% rain 97% humidity Gusts 20 mph Thu 11:00 PM 70° Mostly Cloudy 13% rain 97% humidity Gusts 22 mph Fri 12:00 AM 70° Slight Chance Showers And Thunderstorms 22% rain 93% humidity Gusts 23 mph Fri 1:00 AM 70° Partly Cloudy 10% rain 93% humidity Gusts 23 mph Fri 2:00 AM 70° Partly Cloudy 14% rain 87% humidity Gusts 23 mph Fri 3:00 AM 69° Slight Chance Rain Showers 20% rain 90% humidity Gusts 23 mph Fri 4:00 AM 68° Chance Rain Showers 28% rain 90% humidity Gusts 24 mph Fri 5:00 AM 68° Chance Rain Showers 53% rain 87% humidity Gusts 24 mph Fri 6:00 AM 66° Rain Showers Likely 56% rain 90% humidity Gusts 25 mph Fri 7:00 AM 64° Chance Rain Showers 42% rain 93% humidity Gusts 25 mph Fri 8:00 AM 61° Rain Showers Likely 58% rain 100% humidity Gusts 26 mph Fri 9:00 AM 59° Chance Rain Showers 54% rain 100% humidity Gusts 25 mph Fri 10:00 AM 58° Rain Showers Likely 62% rain 100% humidity Gusts 25 mph Fri 11:00 AM 56° Slight Chance Rain Showers 18% rain 100% humidity Gusts 23 mph Fri 12:00 PM 56° Chance Rain Showers 50% rain 93% humidity Gusts 23 mph Fri 1:00 PM 56° Chance Rain Showers 33% rain 90% humidity Gusts 24 mph 1 Next best time outsideThu 3:00 PM–5:00 PM 2 hours outside within this window Mild temperatures, light wind, rain unlikely. Watch for: thunder and lightning. Not checked: UV. 2 Another good timeFri 8:00 AM–2:45 PM 2 hours outside within this window Mild temperatures, some wind, a chance of rain. Watch for: thunder and lightning, air quality, visibility. Not checked: UV.
A little farther out
The next five days
Today 73° 60°
Fri 70° 48°
Sat 53° 39°
Sun 61° 33°
Mon 65° 38°
Today Today looks fairly quiet.
Rain 35%
Humidity 90–100%
Wind 22 mph Fri Friday has a real shower chance.
Rain 62%
Humidity 74–100%
Wind 26 mph Sat Saturday looks breezy.
Rain 28%
Humidity 46–96%
Wind 28 mph Sun Sunday looks fairly quiet.
Rain 2%
Humidity 44–89%
Wind 12 mph Mon Monday looks fairly quiet.
Rain 2%
Humidity 46–89%
Wind 10 mph Today 73° / 60° Today looks fairly quiet. 35% rain · Humidity 90–100% · Wind 22 mph Fri 70° / 48° Friday has a real shower chance. 62% rain · Humidity 74–100% · Wind 26 mph Sat 53° / 39° Saturday looks breezy. 28% rain · Humidity 46–96% · Wind 28 mph Sun 61° / 33° Sunday looks fairly quiet. 2% rain · Humidity 44–89% · Wind 12 mph Mon 65° / 38° Monday looks fairly quiet. 2% rain · Humidity 46–89% · Wind 10 mph Environmental watch
Air quality + smoke 31 Good US AQI Good now, rising to Moderate by Today.
Now 31 Good fine particles Today 56 Moderate fine particles Fri 12 PM 50 Good fine particles Sat 12 PM 50 Good fine particles Sun 12 PM 44 Good fine particles Mon 12 PM 41 Good ozone Sky check
No plume detected overhead Satellite view · Updated Thu 8:45 AM Air near ground 31 · Good US AQI
Rain, in motion · Past four hours
Somerville radar
Ready when you are See what is moving toward Somerville. Watch the last four hours of rain, then search any nearby trail, lake, or address.
Radar animation for Somerville, covering the past four hours. A marked spot changes the map view, not the forecast on this page.
Outdoor fire check
Thinking about a backyard fire? Use extra caution. There is no lower-concern three-hour stretch in the next 12 hours.
Next 12 hours Choose a time to see what is driving the concern.
Now Use caution 3 PM Use caution 4 PM Use caution 5 PM Use caution 6 PM Use caution 7 PM Use caution 8 PM Use caution 9 PM Use caution 10 PM Use caution 11 PM Use caution 12 AM Use caution 1 AM Use caution Selected time Now Use caution Thunder is possible.
Humidity 93%
Wind 6 mph
Gusts 9 mph Check local rules. Weather is only part of the decision. Check city, county, and land-manager fire restrictions before lighting any outdoor fire.
About these readings Sources and local limits Weather Forecasts, alerts, and radar come from NOAA and the National Weather Service.
Air quality This reading describes Dayton area, about 27 miles away. Conditions can differ at this exact spot.
Smoke Satellite imagery shows smoke overhead. It cannot tell us how much smoke has reached breathing level.