Foster Weather Forecast 15 Days, Weather in Foster Today

Current weather conditions and 15 day weather forecast for Foster, Rhode Island, USA including weather daily high/low temperature, warnings, chance of precipitation, pressure, humidity/wind chill, rain risk, wind speed, cloud, pressure, and UV index.

Current weather conditions at Foster

21 December 2025 Sunday
0.4 ° C / 32.7°F
Clear
Clear
Feels Like : -4 ° C / 24.8°F
Humidity : % 78
Pressure : 1017 mb
Wind Speed : 15.5 kmph / 9.6 miles from SSWSSW
Visibility : 16 km
Precipitation (rainfall) : 0 mm
Cloud (%) : 0

15 day weather forecast for Foster, RI, USA

Weather Forecast for next 15 Days for Foster including weather warnings, temperature, rain, wind speed, cloud, snow, wind speed and wind direction, pressure and UV index.
Here is weather for the next 15 days in Foster, Rhode Island state, US. To see the daily forecast, scroll to the table below.
Date Weather forecast Low temperature High temperature Avg. temperature Humidity Chance of rain UV Index Sun Position Moon Position
20 December 2025 Saturday Sunny Sunny -0.9 ° C
(30.4°F)
3.3 ° C
(37.9°F)
0.5 ° C
(33°F)
% 68 0% 0.3 Sunrise:07:11 AM
Sunset: 04:19 PM
Moonrise:08:03 AM
Moonset: 04:34 PM
Moon Phase
( New Moon )
21 December 2025 Sunday Sunny Sunny -3.2 ° C
(26.3°F)
6 ° C
(42.8°F)
1.6 ° C
(34.9°F)
% 71 0% 0.3 Sunrise:07:12 AM
Sunset: 04:20 PM
Moonrise:08:47 AM
Moonset: 05:37 PM
Moon Phase
( Waxing Crescent )
22 December 2025 Monday Sunny Sunny -5.6 ° C
(21.9°F)
1.9 ° C
(35.4°F)
-2.2 ° C
(28°F)
% 49 0% 0.2 Sunrise:07:12 AM
Sunset: 04:20 PM
Moonrise:09:24 AM
Moonset: 06:42 PM
Moon Phase
( Waxing Crescent )
23 December 2025 Tuesday Moderate snow Moderate snow -2.5 ° C
(27.5°F)
2.1 ° C
(35.8°F)
-0.6 ° C
(30.9°F)
% 82 89% 0.1 Sunrise:07:13 AM
Sunset: 04:21 PM
Moonrise:09:54 AM
Moonset: 07:50 PM
Moon Phase
( Waxing Crescent )
24 December 2025 Wednesday Moderate or heavy snow showers Moderate or heavy snow showers -6.4 ° C
(20.6°F)
1 ° C
(33.9°F)
-1.7 ° C
(28.9°F)
% 93 63% 0.2 Sunrise:07:13 AM
Sunset: 04:21 PM
Moonrise:10:19 AM
Moonset: 08:58 PM
Moon Phase
( Waxing Crescent )
25 December 2025 Thursday Mist Mist -4.8 ° C
(23.3°F)
3.2 ° C
(37.8°F)
-1.1 ° C
(30°F)
% 96 0% 0 Sunrise:07:14 AM
Sunset: 04:22 PM
Moonrise:10:41 AM
Moonset: 10:06 PM
Moon Phase
( Waxing Crescent )
26 December 2025 Friday Patchy rain nearby Patchy rain nearby 0.9 ° C
(33.6°F)
5.4 ° C
(41.7°F)
3 ° C
(37.4°F)
% 95 88% 1 Sunrise:07:14 AM
Sunset: 04:23 PM
Moonrise:11:02 AM
Moonset: 11:15 PM
Moon Phase
( Waxing Crescent )
27 December 2025 Saturday Sunny Sunny -8.1 ° C
(17.3°F)
-3 ° C
(26.6°F)
-5.4 ° C
(22.3°F)
% 65 0% 2 Sunrise:07:14 AM
Sunset: 04:23 PM
Moonrise:11:24 AM
Moonset: No moonset
Moon Phase
( First Quarter )
28 December 2025 Sunday Sunny Sunny -8.7 ° C
(16.3°F)
-2.3 ° C
(27.8°F)
-6.3 ° C
(20.7°F)
% 60 0% 2 Sunrise:07:15 AM
Sunset: 04:24 PM
Moonrise:11:46 AM
Moonset: 12:25 AM
Moon Phase
( Waxing Gibbous )
29 December 2025 Monday Partly Cloudy  Partly Cloudy -7.3 ° C
(18.8°F)
2.9 ° C
(37.1°F)
-2.9 ° C
(26.8°F)
% 70 0% 2 Sunrise:07:15 AM
Sunset: 04:25 PM
Moonrise:12:12 PM
Moonset: 01:40 AM
Moon Phase
( Waxing Gibbous )
30 December 2025 Tuesday Moderate rain Moderate rain 0.3 ° C
(32.5°F)
4.3 ° C
(39.7°F)
2.8 ° C
(37°F)
% 93 86% 1 Sunrise:07:15 AM
Sunset: 04:26 PM
Moonrise:12:44 PM
Moonset: 02:58 AM
Moon Phase
( Waxing Gibbous )
31 December 2025 Wednesday Cloudy  Cloudy -2.8 ° C
(26.9°F)
3.2 ° C
(37.8°F)
0.2 ° C
(32.4°F)
% 88 0% 1 Sunrise:07:15 AM
Sunset: 04:27 PM
Moonrise:01:25 PM
Moonset: 04:18 AM
Moon Phase
( Waxing Gibbous )
01 January 2026 Thursday Fog Fog 0.4 ° C
(32.8°F)
5.5 ° C
(41.9°F)
2.4 ° C
(36.4°F)
% 94 0% 1 Sunrise:07:15 AM
Sunset: 04:27 PM
Moonrise:02:19 PM
Moonset: 05:38 AM
Moon Phase
( Waxing Gibbous )
02 January 2026 Friday Mist Mist 1.3 ° C
(34.3°F)
4 ° C
(39.2°F)
2.1 ° C
(35.8°F)
% 89 0% 1 Sunrise:07:15 AM
Sunset: 04:28 PM
Moonrise:03:26 PM
Moonset: 06:49 AM
Moon Phase
( Waxing Gibbous )
Foster Weather forecasts are usually fully updated every 4 hours.
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