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
| 15 May 2026 Friday 10.6 ° C / 51.1°F  Clear |
Feels Like : 9.7 ° C / 49.5°F Humidity : % 29 Pressure : 1018 mb Wind Speed : 7.9 kmph / 4.9 miles from NNW  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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 15 May 2026 Friday | Sunny |
8 ° C (46.4°F) |
23.8 ° C (74.8°F) |
16 ° C (60.8°F) |
% 20 | 0% | 8.3 | Sunrise:05:34 AM Sunset: 08:02 PM |
Moonrise:04:22 AM Moonset: 07:15 PM Moon Phase ( Waning Crescent ) |
|
| 16 May 2026 Saturday | Sunny |
10.3 ° C (50.5°F) |
18 ° C (64.4°F) |
13.7 ° C (56.7°F) |
% 27 | 0% | 7.4 | Sunrise:05:33 AM Sunset: 08:03 PM |
Moonrise:04:59 AM Moonset: 08:37 PM Moon Phase ( New Moon ) |
|
| 17 May 2026 Sunday | Sunny |
5.9 ° C (42.7°F) |
13.7 ° C (56.6°F) |
9.8 ° C (49.6°F) |
% 30 | 0% | 7.6 | Sunrise:05:32 AM Sunset: 08:04 PM |
Moonrise:05:45 AM Moonset: 09:55 PM Moon Phase ( Waxing Crescent ) |
|
| 18 May 2026 Monday | Sunny |
4.5 ° C (40.1°F) |
18.4 ° C (65.2°F) |
11.6 ° C (52.8°F) |
% 20 | 0% | 8.4 | Sunrise:05:31 AM Sunset: 08:05 PM |
Moonrise:06:43 AM Moonset: 11:03 PM Moon Phase ( Waxing Crescent ) |
|
| 19 May 2026 Tuesday | Sunny |
8 ° C (46.4°F) |
21.5 ° C (70.8°F) |
13.4 ° C (56.2°F) |
% 23 | 0% | 0 | Sunrise:05:30 AM Sunset: 08:06 PM |
Moonrise:07:53 AM Moonset: 11:58 PM Moon Phase ( Waxing Crescent ) |
|
| 20 May 2026 Wednesday | Sunny |
9.5 ° C (49.1°F) |
24.5 ° C (76.1°F) |
17.5 ° C (63.5°F) |
% 24 | 0% | 5 | Sunrise:05:29 AM Sunset: 08:07 PM |
Moonrise:09:09 AM Moonset: No moonset Moon Phase ( Waxing Crescent ) |
|
| 21 May 2026 Thursday | Sunny |
12.1 ° C (53.8°F) |
28 ° C (82.3°F) |
20.7 ° C (69.3°F) |
% 23 | 0% | 6 | Sunrise:05:29 AM Sunset: 08:08 PM |
Moonrise:10:26 AM Moonset: 12:40 AM Moon Phase ( Waxing Crescent ) |
|
| 22 May 2026 Friday |  Patchy rain nearby |
15.7 ° C (60.2°F) |
25.8 ° C (78.5°F) |
21.1 ° C (70°F) |
% 34 | 78% | 5 | Sunrise:05:28 AM Sunset: 08:09 PM |
Moonrise:11:41 AM Moonset: 01:13 AM Moon Phase ( Waxing Crescent ) |
|
| 23 May 2026 Saturday | Sunny |
13.8 ° C (56.8°F) |
26 ° C (78.8°F) |
19.5 ° C (67.1°F) |
% 27 | 0% | 5 | Sunrise:05:27 AM Sunset: 08:10 PM |
Moonrise:12:51 PM Moonset: 01:40 AM Moon Phase ( First Quarter ) |
|
| 24 May 2026 Sunday | Sunny |
9.8 ° C (49.6°F) |
25.4 ° C (77.7°F) |
17.9 ° C (64.3°F) |
% 18 | 0% | 5 | Sunrise:05:26 AM Sunset: 08:10 PM |
Moonrise:01:57 PM Moonset: 02:02 AM Moon Phase ( Waxing Gibbous ) |
|
| 25 May 2026 Monday | Sunny |
13.9 ° C (57°F) |
24.6 ° C (76.3°F) |
19.1 ° C (66.5°F) |
% 22 | 0% | 5 | Sunrise:05:26 AM Sunset: 08:11 PM |
Moonrise:03:02 PM Moonset: 02:23 AM Moon Phase ( Waxing Gibbous ) |
|
| 26 May 2026 Tuesday | Sunny |
7.2 ° C (45°F) |
17 ° C (62.6°F) |
11.2 ° C (52.1°F) |
% 25 | 0% | 4 | Sunrise:05:25 AM Sunset: 08:12 PM |
Moonrise:04:05 PM Moonset: 02:43 AM Moon Phase ( Waxing Gibbous ) |
|
| 27 May 2026 Wednesday | Sunny |
3.2 ° C (37.8°F) |
17.1 ° C (62.8°F) |
10.3 ° C (50.5°F) |
% 24 | 0% | 4 | Sunrise:05:24 AM Sunset: 08:13 PM |
Moonrise:05:08 PM Moonset: 03:05 AM Moon Phase ( Waxing Gibbous ) |
|
| 28 May 2026 Thursday | Sunny |
6.3 ° C (43.3°F) |
23 ° C (73.5°F) |
15.3 ° C (59.6°F) |
% 16 | 0% | 5 | Sunrise:05:24 AM Sunset: 08:14 PM |
Moonrise:06:12 PM Moonset: 03:28 AM Moon Phase ( Waxing Gibbous ) |
|
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