Grass Valley Weather Forecast 15 Days, Weather in Grass Valley Today
Current weather conditions and 15 day weather forecast for Grass Valley, Nevada, 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 Grass Valley
| 20 December 2025 Saturday 12.8 ° C / 55°F  Sunny |
Feels Like : 11.5 ° C / 52.7°F Humidity : % 38 Pressure : 1015 mb Wind Speed : 13.7 kmph / 8.5 miles from SW  Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 0 |
15 day weather forecast for Grass Valley, NV, USA
Weather Forecast for next 15 Days for Grass Valley 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 Grass Valley, Nevada 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 |  Patchy rain nearby |
5.2 ° C (41.4°F) |
14.2 ° C (57.6°F) |
7.9 ° C (46.3°F) |
% 69 | 81% | 0.3 | Sunrise:07:12 AM Sunset: 04:26 PM |
Moonrise:08:09 AM Moonset: 04:49 PM Moon Phase ( New Moon ) |
|
| 21 December 2025 Sunday |  Heavy rain |
4 ° C (39.2°F) |
9.7 ° C (49.5°F) |
6.1 ° C (42.9°F) |
% 89 | 87% | 0.1 | Sunrise:07:13 AM Sunset: 04:26 PM |
Moonrise:08:52 AM Moonset: 05:52 PM Moon Phase ( Waxing Crescent ) |
|
| 22 December 2025 Monday | Patchy rain nearby |
4.3 ° C (39.7°F) |
7.1 ° C (44.8°F) |
5.7 ° C (42.3°F) |
% 85 | 87% | 0.2 | Sunrise:07:13 AM Sunset: 04:27 PM |
Moonrise:09:29 AM Moonset: 06:58 PM Moon Phase ( Waxing Crescent ) |
|
| 23 December 2025 Tuesday | Patchy rain nearby |
4.1 ° C (39.4°F) |
10.5 ° C (50.9°F) |
6.7 ° C (44.1°F) |
% 74 | 72% | 0.2 | Sunrise:07:14 AM Sunset: 04:27 PM |
Moonrise:09:58 AM Moonset: 08:05 PM Moon Phase ( Waxing Crescent ) |
|
| 24 December 2025 Wednesday | Patchy rain nearby |
1.4 ° C (34.6°F) |
10.8 ° C (51.5°F) |
5.2 ° C (41.3°F) |
% 62 | 73% | 0 | Sunrise:07:14 AM Sunset: 04:28 PM |
Moonrise:10:24 AM Moonset: 09:12 PM Moon Phase ( Waxing Crescent ) |
|
| 25 December 2025 Thursday | Patchy rain nearby |
1.9 ° C (35.4°F) |
7.6 ° C (45.6°F) |
4.1 ° C (39.3°F) |
% 74 | 81% | 1 | Sunrise:07:14 AM Sunset: 04:29 PM |
Moonrise:10:47 AM Moonset: 10:19 PM Moon Phase ( Waxing Crescent ) |
|
| 26 December 2025 Friday | Patchy rain nearby |
0.5 ° C (33°F) |
6.4 ° C (43.5°F) |
2.5 ° C (36.5°F) |
% 82 | 71% | 1 | Sunrise:07:15 AM Sunset: 04:29 PM |
Moonrise:11:08 AM Moonset: 11:27 PM Moon Phase ( Waxing Crescent ) |
|
| 27 December 2025 Saturday | Sunny |
-1.2 ° C (29.9°F) |
4.3 ° C (39.7°F) |
1.4 ° C (34.5°F) |
% 76 | 0% | 2 | Sunrise:07:15 AM Sunset: 04:30 PM |
Moonrise:11:30 AM Moonset: No moonset Moon Phase ( First Quarter ) |
|
| 28 December 2025 Sunday | Patchy rain nearby |
0.8 ° C (33.5°F) |
5.4 ° C (41.7°F) |
2.2 ° C (36°F) |
% 65 | 88% | 1 | Sunrise:07:15 AM Sunset: 04:31 PM |
Moonrise:11:54 AM Moonset: 12:37 AM Moon Phase ( Waxing Gibbous ) |
|
| 29 December 2025 Monday | Patchy rain nearby |
1.3 ° C (34.4°F) |
5.5 ° C (41.9°F) |
3.2 ° C (37.8°F) |
% 72 | 76% | 1 | Sunrise:07:16 AM Sunset: 04:31 PM |
Moonrise:12:21 PM Moonset: 01:51 AM Moon Phase ( Waxing Gibbous ) |
|
| 30 December 2025 Tuesday | Patchy rain nearby |
2 ° C (35.6°F) |
8.3 ° C (47°F) |
4.2 ° C (39.6°F) |
% 79 | 89% | 1 | Sunrise:07:16 AM Sunset: 04:32 PM |
Moonrise:12:55 PM Moonset: 03:09 AM Moon Phase ( Waxing Gibbous ) |
|
| 31 December 2025 Wednesday | Patchy rain nearby |
1.8 ° C (35.2°F) |
9.2 ° C (48.6°F) |
4.9 ° C (40.9°F) |
% 80 | 87% | 1 | Sunrise:07:16 AM Sunset: 04:33 PM |
Moonrise:01:39 PM Moonset: 04:29 AM Moon Phase ( Waxing Gibbous ) |
|
| 01 January 2026 Thursday | Patchy rain nearby |
0.4 ° C (32.7°F) |
8.9 ° C (48.1°F) |
4.2 ° C (39.5°F) |
% 67 | 78% | 1 | Sunrise:07:16 AM Sunset: 04:34 PM |
Moonrise:02:34 PM Moonset: 05:47 AM Moon Phase ( Waxing Gibbous ) |
|
| 02 January 2026 Friday |  Light freezing rain |
-2.5 ° C (27.4°F) |
2.4 ° C (36.2°F) |
0.2 ° C (32.4°F) |
% 63 | 71% | 1 | Sunrise:07:16 AM Sunset: 04:35 PM |
Moonrise:03:43 PM Moonset: 06:57 AM Moon Phase ( Waxing Gibbous ) |
|
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