Grass Valley Weather Forecast 15 Days, Weather in Grass Valley Today
Current weather conditions and 15 day weather forecast for Grass Valley, Oregon, 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
| 09 February 2026 Monday 6.1 ° C / 43°F  Overcast |
Feels Like : 2.1 ° C / 35.8°F Humidity : % 86 Pressure : 1024 mb Wind Speed : 23.4 kmph / 14.5 miles from WSW  Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 100 |
15 day weather forecast for Grass Valley, OR, 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, Oregon 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 09 February 2026 Monday |  Sunny |
0.3 ° C (32.5°F) |
8.1 ° C (46.6°F) |
3.7 ° C (38.6°F) |
% 79 | 0% | 0.4 | Sunrise:07:13 AM Sunset: 05:22 PM |
Moonrise:01:25 AM Moonset: 10:17 AM Moon Phase ( Last Quarter ) |
|
| 10 February 2026 Tuesday |  Partly Cloudy |
-1.5 ° C (29.4°F) |
2.7 ° C (36.9°F) |
0.6 ° C (33.1°F) |
% 91 | 0% | 0.3 | Sunrise:07:12 AM Sunset: 05:24 PM |
Moonrise:02:30 AM Moonset: 10:49 AM Moon Phase ( Waning Crescent ) |
|
| 11 February 2026 Wednesday |  Mist |
-2.2 ° C (28°F) |
6.8 ° C (44.2°F) |
1.1 ° C (33.9°F) |
% 89 | 0% | 0.2 | Sunrise:07:10 AM Sunset: 05:25 PM |
Moonrise:03:34 AM Moonset: 11:30 AM Moon Phase ( Waning Crescent ) |
|
| 12 February 2026 Thursday | Sunny |
1 ° C (33.8°F) |
9.6 ° C (49.3°F) |
4.2 ° C (39.6°F) |
% 74 | 0% | 0.4 | Sunrise:07:09 AM Sunset: 05:27 PM |
Moonrise:04:30 AM Moonset: 12:20 PM Moon Phase ( Waning Crescent ) |
|
| 13 February 2026 Friday | Overcast |
0.9 ° C (33.6°F) |
6.8 ° C (44.2°F) |
2.8 ° C (37.1°F) |
% 73 | 0% | 0 | Sunrise:07:07 AM Sunset: 05:28 PM |
Moonrise:05:18 AM Moonset: 01:20 PM Moon Phase ( Waning Crescent ) |
|
| 14 February 2026 Saturday | Sunny |
-1.4 ° C (29.5°F) |
6.6 ° C (43.9°F) |
2.1 ° C (35.9°F) |
% 64 | 0% | 2 | Sunrise:07:06 AM Sunset: 05:30 PM |
Moonrise:05:57 AM Moonset: 02:27 PM Moon Phase ( Waning Crescent ) |
|
| 15 February 2026 Sunday |  Heavy snow |
-2.6 ° C (27.3°F) |
0.4 ° C (32.7°F) |
-0.6 ° C (30.8°F) |
% 89 | 84% | 1 | Sunrise:07:04 AM Sunset: 05:31 PM |
Moonrise:06:28 AM Moonset: 03:39 PM Moon Phase ( Waning Crescent ) |
|
| 16 February 2026 Monday |  Moderate snow |
-4.2 ° C (24.5°F) |
-0.1 ° C (31.8°F) |
-1.8 ° C (28.7°F) |
% 95 | 86% | 1 | Sunrise:07:03 AM Sunset: 05:33 PM |
Moonrise:06:53 AM Moonset: 04:52 PM Moon Phase ( Waning Crescent ) |
|
| 17 February 2026 Tuesday |  Light freezing rain |
-3.4 ° C (26°F) |
1.2 ° C (34.2°F) |
-1.1 ° C (30.1°F) |
% 93 | 73% | 1 | Sunrise:07:01 AM Sunset: 05:34 PM |
Moonrise:07:15 AM Moonset: 06:06 PM Moon Phase ( New Moon ) |
|
| 18 February 2026 Wednesday | Partly Cloudy |
-4.3 ° C (24.2°F) |
1.6 ° C (35°F) |
-1.5 ° C (29.2°F) |
% 84 | 0% | 2 | Sunrise:06:59 AM Sunset: 05:35 PM |
Moonrise:07:34 AM Moonset: 07:19 PM Moon Phase ( Waxing Crescent ) |
|
| 19 February 2026 Thursday | Partly Cloudy |
-1.2 ° C (29.9°F) |
4.1 ° C (39.3°F) |
1.2 ° C (34.2°F) |
% 78 | 0% | 2 | Sunrise:06:58 AM Sunset: 05:37 PM |
Moonrise:07:52 AM Moonset: 08:34 PM Moon Phase ( Waxing Crescent ) |
|
| 20 February 2026 Friday | Sunny |
-0.3 ° C (31.4°F) |
5.5 ° C (41.8°F) |
1.9 ° C (35.4°F) |
% 72 | 0% | 2 | Sunrise:06:56 AM Sunset: 05:38 PM |
Moonrise:08:10 AM Moonset: 09:50 PM Moon Phase ( Waxing Crescent ) |
|
| 21 February 2026 Saturday | Overcast |
0 ° C (32°F) |
8.4 ° C (47.1°F) |
4.3 ° C (39.7°F) |
% 62 | 0% | 1 | Sunrise:06:54 AM Sunset: 05:40 PM |
Moonrise:08:31 AM Moonset: 11:09 PM Moon Phase ( Waxing Crescent ) |
|
| 22 February 2026 Sunday | Partly Cloudy |
1.1 ° C (33.9°F) |
6.3 ° C (43.3°F) |
3.6 ° C (38.5°F) |
% 67 | 0% | 2 | Sunrise:06:53 AM Sunset: 05:41 PM |
Moonrise:08:56 AM Moonset: No moonset Moon Phase ( Waxing Crescent ) |
|
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