Plan! needs attention 5 days Air + smoke Radar! needs attention Outdoor planning 1
Now
Temperature Rain Humidity Gusts 57° 9 AM 64° 12 PM 71° 4 PM 71° 5 PM 71° 7 PM 69° 10 PM 70° 12 AM 70° 1 AM 66° 5 AM 59° 8 AM
95% 84% 85% 86% 89% 100% 93% 93% 100% 100%
14 mph 13 mph 12 mph 12 mph 12 mph 12 mph 12 mph 13 mph 13 mph 14 mph 16 mph 18 mph 22 mph 24 mph 25 mph 26 mph 26 mph 28 mph 28 mph 29 mph 28 mph 29 mph 29 mph 29 mph
Thu 9:00 AM 57° Slight Chance Rain Showers 16% rain 95% humidity Gusts 14 mph Thu 10:00 AM 60° Slight Chance Rain Showers 23% rain 93% humidity Gusts 13 mph Thu 11:00 AM 62° Slight Chance Rain Showers 20% rain 87% humidity Gusts 12 mph Thu 12:00 PM 64° Slight Chance Rain Showers 16% rain 84% humidity Gusts 12 mph Thu 1:00 PM 66° Slight Chance Rain Showers 15% rain 84% humidity Gusts 12 mph Thu 2:00 PM 67° Mostly Cloudy 7% rain 87% humidity Gusts 12 mph Thu 3:00 PM 70° Mostly Cloudy 7% rain 85% humidity Gusts 12 mph Thu 4:00 PM 71° Mostly Cloudy 10% rain 85% humidity Gusts 13 mph Thu 5:00 PM 71° Slight Chance Showers And Thunderstorms 16% rain 86% humidity Gusts 13 mph Thu 6:00 PM 73° Mostly Cloudy 14% rain 85% humidity Gusts 14 mph Thu 7:00 PM 71° Chance Showers And Thunderstorms 30% rain 89% humidity Gusts 16 mph Thu 8:00 PM 69° Chance Showers And Thunderstorms 50% rain 94% humidity Gusts 18 mph Thu 9:00 PM 68° Chance Showers And Thunderstorms 43% rain 100% humidity Gusts 22 mph Thu 10:00 PM 69° Chance Showers And Thunderstorms 43% rain 100% humidity Gusts 24 mph Thu 11:00 PM 70° Chance Showers And Thunderstorms 34% rain 97% humidity Gusts 25 mph Fri 12:00 AM 70° Chance Showers And Thunderstorms 43% rain 93% humidity Gusts 26 mph Fri 1:00 AM 70° Slight Chance Showers And Thunderstorms 16% rain 93% humidity Gusts 26 mph Fri 2:00 AM 69° Chance Rain Showers 34% rain 93% humidity Gusts 28 mph Fri 3:00 AM 68° Chance Rain Showers 42% rain 93% humidity Gusts 28 mph Fri 4:00 AM 67° Chance Rain Showers 47% rain 100% humidity Gusts 29 mph Fri 5:00 AM 66° Rain Showers 76% rain 100% humidity Gusts 28 mph Fri 6:00 AM 64° Rain Showers Likely 71% rain 100% humidity Gusts 29 mph Fri 7:00 AM 62° Rain Showers Likely 66% rain 100% humidity Gusts 29 mph Fri 8:00 AM 59° Rain Showers Likely 66% rain 100% humidity Gusts 29 mph 1 Next best time outsideThu 9:30 AM–5:00 PM 2 hours outside within this window Mild temperatures, light wind, a chance of rain. Watch for: thunder and lightning. Not checked: air quality and UV.
A little farther out
The next five days
Today 73° 57°
Fri 70° 48°
Sat 52° 37°
Sun 60° 32°
Mon 66° 37°
Today Today has a real shower chance.
Rain 50%
Humidity 84–100%
Wind 25 mph Fri Friday looks wet for a meaningful stretch.
Rain 76%
Humidity 74–100%
Wind 29 mph Sat Saturday looks breezy.
Rain 33%
Humidity 45–93%
Wind 30 mph Sun Sunday looks fairly quiet.
Rain 2%
Humidity 41–89%
Wind 13 mph Mon Monday looks fairly quiet.
Rain 2%
Humidity 42–93%
Wind 12 mph Today 73° / 57° Today has a real shower chance. 50% rain · Humidity 84–100% · Wind 25 mph Fri 70° / 48° Friday looks wet for a meaningful stretch. 76% rain · Humidity 74–100% · Wind 29 mph Sat 52° / 37° Saturday looks breezy. 33% rain · Humidity 45–93% · Wind 30 mph Sun 60° / 32° Sunday looks fairly quiet. 2% rain · Humidity 41–89% · Wind 13 mph Mon 66° / 37° Monday looks fairly quiet. 2% rain · Humidity 42–93% · Wind 12 mph Environmental watch
Air quality + smoke 26 Good US AQI Good now, rising to Moderate by 12 PM.
Now 26 Good fine particles 12 PM 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 Sky check
No plume detected overhead Satellite view · Updated Thu 8:45 AM Air near ground 26 · Good US AQI
Rain, in motion · Past four hours
Castine radar
Ready when you are See what is moving toward Castine. Watch the last four hours of rain, then search any nearby trail, lake, or address.
Radar animation for Castine, 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 10 AM Use caution 11 AM Use caution 12 PM Use caution 1 PM Use caution 2 PM 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 Selected time Now Use caution Sustained wind is 8 mph. Thunder is possible.
Humidity 95%
Wind 8 mph
Gusts 14 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 26 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.