Johnston Weather Forecast 15 Days, Weather in Johnston Today
Current weather conditions and 15 day weather forecast for Johnston, 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 Johnston
| 15 December 2025 Monday -11.7 ° C / 10.9°F  Clear |
Feels Like : -20.3 ° C / -4.5°F Humidity : % 70 Pressure : 1018 mb Wind Speed : 21.2 kmph / 13.2 miles from NW  Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 0 |
15 day weather forecast for Johnston, RI, USA
Weather Forecast for next 15 Days for Johnston 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 Johnston, 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 15 December 2025 Monday | Sunny |
-9.4 ° C (15.1°F) |
-0.6 ° C (30.9°F) |
-5.3 ° C (22.5°F) |
% 53 | 0% | 0.3 | Sunrise:07:06 AM Sunset: 04:15 PM |
Moonrise:03:02 AM Moonset: 01:13 PM Moon Phase ( Waning Crescent ) |
|
| 16 December 2025 Tuesday |  Partly Cloudy |
-5 ° C (23°F) |
1.1 ° C (34°F) |
-2.2 ° C (28.1°F) |
% 66 | 0% | 0.3 | Sunrise:07:07 AM Sunset: 04:16 PM |
Moonrise:04:05 AM Moonset: 01:39 PM Moon Phase ( Waning Crescent ) |
|
| 17 December 2025 Wednesday | Partly Cloudy |
-1.6 ° C (29.1°F) |
7.2 ° C (45°F) |
2.6 ° C (36.7°F) |
% 69 | 0% | 0.3 | Sunrise:07:08 AM Sunset: 04:16 PM |
Moonrise:05:09 AM Moonset: 02:10 PM Moon Phase ( Waning Crescent ) |
|
| 18 December 2025 Thursday | Partly Cloudy |
-3.5 ° C (25.6°F) |
3.5 ° C (38.3°F) |
1.3 ° C (34.4°F) |
% 65 | 0% | 0.2 | Sunrise:07:08 AM Sunset: 04:16 PM |
Moonrise:06:11 AM Moonset: 02:49 PM Moon Phase ( Waning Crescent ) |
|
| 19 December 2025 Friday |  Moderate rain |
-1.5 ° C (29.3°F) |
13.2 ° C (55.8°F) |
9 ° C (48.3°F) |
% 85 | 76% | 0 | Sunrise:07:09 AM Sunset: 04:17 PM |
Moonrise:07:10 AM Moonset: 03:37 PM Moon Phase ( New Moon ) |
|
| 20 December 2025 Saturday | Partly Cloudy |
-4.1 ° C (24.6°F) |
0.4 ° C (32.8°F) |
-1.5 ° C (29.2°F) |
% 49 | 0% | 2 | Sunrise:07:10 AM Sunset: 04:17 PM |
Moonrise:08:01 AM Moonset: 04:32 PM Moon Phase ( New Moon ) |
|
| 21 December 2025 Sunday |  Patchy rain nearby |
1.5 ° C (34.7°F) |
7.3 ° C (45.2°F) |
5.1 ° C (41.2°F) |
% 86 | 82% | 2 | Sunrise:07:10 AM Sunset: 04:18 PM |
Moonrise:08:45 AM Moonset: 05:35 PM Moon Phase ( Waxing Crescent ) |
|
| 22 December 2025 Monday | Sunny |
-3.8 ° C (25.1°F) |
-0.8 ° C (30.6°F) |
-2.1 ° C (28.2°F) |
% 57 | 0% | 2 | Sunrise:07:11 AM Sunset: 04:18 PM |
Moonrise:09:22 AM Moonset: 06:40 PM Moon Phase ( Waxing Crescent ) |
|
| 23 December 2025 Tuesday |  Overcast |
-3.2 ° C (26.2°F) |
3.9 ° C (39°F) |
1.3 ° C (34.4°F) |
% 61 | 0% | 1 | Sunrise:07:11 AM Sunset: 04:19 PM |
Moonrise:09:52 AM Moonset: 07:48 PM Moon Phase ( Waxing Crescent ) |
|
| 24 December 2025 Wednesday | Patchy rain nearby |
4.2 ° C (39.6°F) |
6.9 ° C (44.4°F) |
5.4 ° C (41.7°F) |
% 74 | 0% | 2 | Sunrise:07:11 AM Sunset: 04:19 PM |
Moonrise:10:17 AM Moonset: 08:56 PM Moon Phase ( Waxing Crescent ) |
|
| 25 December 2025 Thursday | Sunny |
-7.3 ° C (18.8°F) |
-4.3 ° C (24.3°F) |
-4.5 ° C (24°F) |
% 45 | 0% | 2 | Sunrise:07:12 AM Sunset: 04:20 PM |
Moonrise:10:39 AM Moonset: 10:04 PM Moon Phase ( Waxing Crescent ) |
|
| 26 December 2025 Friday |  Heavy snow |
-7 ° C (19.3°F) |
-2.4 ° C (27.7°F) |
-3.8 ° C (25.2°F) |
% 71 | 69% | 1 | Sunrise:07:12 AM Sunset: 04:21 PM |
Moonrise:11:00 AM Moonset: 11:13 PM Moon Phase ( Waxing Crescent ) |
|
| 27 December 2025 Saturday | Sunny |
-11.2 ° C (11.9°F) |
-3.3 ° C (26.1°F) |
-6.2 ° C (20.9°F) |
% 76 | 0% | 2 | Sunrise:07:12 AM Sunset: 04:21 PM |
Moonrise:11:22 AM Moonset: No moonset Moon Phase ( First Quarter ) |
|
| 28 December 2025 Sunday | Sunny |
-11.8 ° C (10.7°F) |
-2.7 ° C (27.2°F) |
-8 ° C (17.5°F) |
% 77 | 0% | 2 | Sunrise:07:13 AM Sunset: 04:22 PM |
Moonrise:11:44 AM Moonset: 12:23 AM Moon Phase ( Waxing Gibbous ) |
|
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