Sullivan, ME Hourly Weather Forecast
Next 48 Hours
Sun, Mar 15th 2026
Clear conditions expected later. Temps range from 33° to 34°. Breezy wind from the SSE at 8.2 mph, with humidity ranging 62% to 71%, and an avg barometric pressure of 30.52 inHg.
| Sun, Mar 15th | Temp | Humidity | Wind (mph) | Pressure (inHg) | Dew Point | Precip. |
|---|---|---|---|---|---|---|
9 PM Clear  UV: 0 |
34°F Feels 30°F |
62% | 6.3 SSE | 30.53 | 21.8°F | 0% |
10 PM Clear UV: 0 |
33°F Feels 29°F |
70% | 8.1 SSE | 30.52 | 23.8°F | 0% |
11 PM Clear UV: 0 |
33°F Feels 28°F |
71% | 10.1 SSE | 30.5 | 23.8°F | 0% |
Mon, Mar 16th 2026
Starting off Overcast conditions, turning Clear conditions later in the day. Rain forecasted to be light rain (up to 0.07in), heavy rain (up to 0.52in), moderate rain (up to 0.24in), light rain shower (up to 0.05in). Warming trend from 33°F to 50°. Windy conditions, shifting from SSE to S at 17.9 mph, as humidity fluctuates between 70% to 97%, and an avg barometric pressure of 30.06 inHg.
| Mon, Mar 16th | Temp | Humidity | Wind (mph) | Pressure (inHg) | Dew Point | Precip. |
|---|---|---|---|---|---|---|
12 AM Clear UV: 0 |
33°F Feels 28°F |
70% | 11.6 SSE | 30.47 | 24.1°F | 0% |
1 AM Clear UV: 0 |
33°F Feels 28°F |
72% | 13 SSE | 30.43 | 25.6°F | 0% |
2 AM Clear UV: 0 |
34°F Feels 28°F |
73% | 13.2 SSE | 30.41 | 25.8°F | 0% |
3 AM Clear UV: 0 |
34°F Feels 28°F |
76% | 13.2 SSE | 30.39 | 27.3°F | 0% |
4 AM Clear UV: 0 |
35°F Feels 28°F |
79% | 13.6 SSE | 30.36 | 28.6°F | 0% |
5 AM Clear UV: 0 |
35°F Feels 28°F |
79% | 13.2 SSE | 30.33 | 29.2°F | 0% |
6 AM Clear UV: 0 |
35°F Feels 27°F |
80% | 14.1 SE | 30.31 | 28.8°F | 0% |
7 AM Overcast  UV: 0 |
36°F Feels 27°F |
94% | 15.2 SE | 30.29 | 34.6°F | 0% |
8 AM Overcast UV: 0.1 |
37°F Feels 28°F |
95% | 17 SE | 30.26 | 35.8°F | 0% |
9 AM Overcast UV: 0.2 |
38°F Feels 29°F |
95% | 19 SE | 30.2 | 37°F | 0% |
10 AM Overcast UV: 0.2 |
39°F Feels 30°F |
95% | 19.7 SE | 30.14 | 38.1°F | 0% |
11 AM Light Rain UV: 0.3 |
40°F Feels 31°F |
96% | 19 SE | 30.07 | 39.3°F | 100% Rain est. 0.07in |
12 PM Overcast UV: 0.3 |
42°F Feels 33°F |
96% | 19.9 SE | 30.01 | 40.4°F | 0% |
1 PM Overcast UV: 0.3 |
43°F Feels 34°F |
97% | 20.1 SSE | 29.94 | 41.7°F | 0% |
2 PM Heavy Rain UV: 0.3 |
43°F Feels 35°F |
96% | 20.8 SSE | 29.9 | 42.8°F | 100% Rain est. 0.52in |
3 PM Scattered Thunderstorms UV: 0.2 |
43°F Feels 35°F |
96% | 20.6 S | 29.88 | 42°F | 0% |
4 PM Scattered ThunderstormsUV: 0.1 |
43°F Feels 36°F |
97% | 19.2 S | 29.85 | 41.7°F | 0% |
5 PM Moderate Rain UV: 0.1 |
44°F Feels 37°F |
97% | 20.4 S | 29.82 | 42.6°F | 100% Rain est. 0.24in |
6 PM Overcast UV: 0 |
45°F Feels 38°F |
97% | 18.8 S | 29.8 | 44.3°F | 0% |
7 PM Overcast  UV: 0 |
47°F Feels 40°F |
97% | 19.5 S | 29.77 | 45.6°F | 0% |
8 PM Heavy Rain UV: 0 |
48°F Feels 41°F |
97% | 21 S | 29.75 | 47.1°F | 100% Rain est. 0.42in |
9 PM Heavy RainUV: 0 |
48°F Feels 42°F |
97% | 21.3 S | 29.72 | 47.8°F | 100% Rain est. 0.36in |
10 PM Heavy RainUV: 0 |
50°F Feels 43°F |
97% | 21.9 S | 29.71 | 48.2°F | 100% Rain est. 0.32in |
11 PM Light Rain Shower UV: 0 |
50°F Feels 43°F |
97% | 24.2 S | 29.62 | 49.9°F | 100% Rain est. 0.05in |
Tue, Mar 17th 2026
Torrential rain shower giving way to moderate or heavy rain shower by evening. Rain forecasted to be moderate rain (up to 0.28in), moderate or heavy rain shower (up to 0.38in), torrential rain shower (up to 0.42in). Warming trend from 28°F to 50°. Windy conditions, shifting from S to W at 21.1 mph, with humidity ranging 45% to 98%, and an avg barometric pressure of 29.53 inHg.
| Tue, Mar 17th | Temp | Humidity | Wind (mph) | Pressure (inHg) | Dew Point | Precip. |
|---|---|---|---|---|---|---|
12 AM Moderate Rain UV: 0 |
50°F Feels 43°F |
97% | 23.9 S | 29.63 | 48.8°F | 100% Rain est. 0.28in |
1 AM Moderate RainUV: 0 |
50°F Feels 43°F |
97% | 26.4 S | 29.59 | 49°F | 100% Rain est. 0.28in |
2 AM Moderate Or Heavy Rain Shower UV: 0 |
50°F Feels 43°F |
97% | 27.3 S | 29.56 | 49.2°F | 100% Rain est. 0.27in |
3 AM Moderate Or Heavy Rain ShowerUV: 0 |
50°F Feels 43°F |
97% | 27.1 S | 29.48 | 49°F | 100% Rain est. 0.35in |
4 AM Moderate Or Heavy Rain ShowerUV: 0 |
50°F Feels 42°F |
97% | 28.9 S | 29.45 | 49°F | 100% Rain est. 0.38in |
5 AM Torrential Rain Shower UV: 0 |
49°F Feels 41°F |
97% | 26.2 S | 29.41 | 48.9°F | 100% Rain est. 0.42in |
6 AM Torrential Rain ShowerUV: 0 |
48°F Feels 40°F |
98% | 21.9 SSW | 29.38 | 47.5°F | 100% Rain est. 0.41in |
7 AM Torrential Rain Shower UV: 0 |
47°F Feels 39°F |
98% | 20.1 SSW | 29.37 | 46.7°F | 100% Rain est. 0.4in |
8 AM Torrential Rain ShowerUV: 0 |
46°F Feels 38°F |
98% | 20.1 SW | 29.36 | 46°F | 100% Rain est. 0.4in |
9 AM Torrential Rain ShowerUV: 2 |
46°F Feels 37°F |
85% | 19.2 SW | 29.4 | 41°F | 100% Rain est. 0.2in |
10 AM Torrential Rain ShowerUV: 2 |
45°F Feels 37°F |
79% | 17 WSW | 29.42 | 38.5°F | 100% Rain est. 0.1in |
11 AM Overcast UV: 2 |
44°F Feels 36°F |
73% | 18.3 WSW | 29.44 | 36°F | 0% |
12 PM Overcast UV: 2 |
43°F Feels 35°F |
61% | 17.9 SW | 29.49 | 30.4°F | 0% |
1 PM Overcast UV: 2 |
43°F Feels 34°F |
56% | 18.3 SW | 29.52 | 27.7°F | 0% |
2 PM Sunny UV: 3 |
41°F Feels 32°F |
50% | 18.3 SW | 29.54 | 24.9°F | 0% |
3 PM SunnyUV: 2 |
39°F Feels 30°F |
48% | 18.1 SW | 29.59 | 20.6°F | 0% |
4 PM SunnyUV: 2 |
37°F Feels 27°F |
46% | 19.2 WSW | 29.62 | 18.5°F | 0% |
5 PM Partly Cloudy  UV: 2 |
35°F Feels 24°F |
45% | 19.5 WSW | 29.64 | 16.3°F | 0% |
6 PM Partly Cloudy UV: 2 |
32°F Feels 21°F |
45% | 19.7 WSW | 29.72 | 13.3°F | 0% |
7 PM Partly Cloudy  UV: 0 |
31°F Feels 19°F |
45% | 18.8 W | 29.76 | 11.7°F | 0% |
8 PM Overcast UV: 0 |
28°F Feels 16°F |
45% | 17 W | 29.79 | 10.2°F | 0% |
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|
33°F |
30.51 inHg.
Barometer 58%
Humidity S 6mph Wind |
| Overcast | ||
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