Diablo Grande Weather Forecast 15 Days, Weather in Diablo Grande Today
Current weather conditions and 15 day weather forecast for Diablo Grande, California, 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 Diablo Grande
| 22 December 2025 Monday 13.3 ° C / 55.9°F  Partly cloudy |
Feels Like : 12.6 ° C / 54.7°F Humidity : % 84 Pressure : 1017 mb Wind Speed : 9.7 kmph / 6 miles from SSW  Visibility : 16 km Precipitation (rainfall) : 0.01 mm Cloud (%) : 75 |
15 day weather forecast for Diablo Grande, CA, USA
Weather Forecast for next 15 Days for Diablo Grande 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 Diablo Grande, California 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 22 December 2025 Monday |  Patchy rain nearby |
12.8 ° C (55.1°F) |
19 ° C (66.2°F) |
15 ° C (58.9°F) |
% 82 | 86% | 0.3 | Sunrise:07:16 AM Sunset: 04:51 PM |
Moonrise:09:31 AM Moonset: 07:22 PM Moon Phase ( Waxing Crescent ) |
|
| 23 December 2025 Tuesday |  Overcast |
9.7 ° C (49.5°F) |
15.7 ° C (60.3°F) |
13.2 ° C (55.8°F) |
% 85 | 0% | 0.3 | Sunrise:07:17 AM Sunset: 04:51 PM |
Moonrise:10:03 AM Moonset: 08:26 PM Moon Phase ( Waxing Crescent ) |
|
| 24 December 2025 Wednesday |  Heavy rain |
12.4 ° C (54.3°F) |
16.7 ° C (62.1°F) |
13.9 ° C (57°F) |
% 83 | 86% | 0.3 | Sunrise:07:17 AM Sunset: 04:52 PM |
Moonrise:10:31 AM Moonset: 09:31 PM Moon Phase ( Waxing Crescent ) |
|
| 25 December 2025 Thursday | Heavy rain |
10.8 ° C (51.4°F) |
15.1 ° C (59.2°F) |
12.9 ° C (55.1°F) |
% 74 | 83% | 0.2 | Sunrise:07:18 AM Sunset: 04:52 PM |
Moonrise:10:57 AM Moonset: 10:35 PM Moon Phase ( Waxing Crescent ) |
|
| 26 December 2025 Friday | Patchy rain nearby |
9.2 ° C (48.6°F) |
15.7 ° C (60.3°F) |
12.1 ° C (53.8°F) |
% 83 | 89% | 0 | Sunrise:07:18 AM Sunset: 04:53 PM |
Moonrise:11:21 AM Moonset: 11:41 PM Moon Phase ( Waxing Crescent ) |
|
| 27 December 2025 Saturday |  Moderate rain |
7.8 ° C (46.1°F) |
10.3 ° C (50.5°F) |
9.7 ° C (49.5°F) |
% 92 | 83% | 2 | Sunrise:07:18 AM Sunset: 04:54 PM |
Moonrise:11:46 AM Moonset: No moonset Moon Phase ( First Quarter ) |
|
| 28 December 2025 Sunday | Partly Cloudy |
7.1 ° C (44.7°F) |
12.5 ° C (54.4°F) |
9.3 ° C (48.8°F) |
% 80 | 0% | 3 | Sunrise:07:19 AM Sunset: 04:54 PM |
Moonrise:12:12 PM Moonset: 12:48 AM Moon Phase ( Waxing Gibbous ) |
|
| 29 December 2025 Monday |  Sunny |
5 ° C (41°F) |
12.6 ° C (54.7°F) |
8.4 ° C (47.2°F) |
% 78 | 0% | 3 | Sunrise:07:19 AM Sunset: 04:55 PM |
Moonrise:12:42 PM Moonset: 01:59 AM Moon Phase ( Waxing Gibbous ) |
|
| 30 December 2025 Tuesday | Sunny |
5.3 ° C (41.5°F) |
13 ° C (55.5°F) |
9.2 ° C (48.5°F) |
% 76 | 0% | 3 | Sunrise:07:19 AM Sunset: 04:56 PM |
Moonrise:01:19 PM Moonset: 03:14 AM Moon Phase ( Waxing Gibbous ) |
|
| 31 December 2025 Wednesday | Patchy rain nearby |
8.5 ° C (47.4°F) |
12.3 ° C (54.1°F) |
10.3 ° C (50.6°F) |
% 79 | 69% | 3 | Sunrise:07:19 AM Sunset: 04:57 PM |
Moonrise:02:05 PM Moonset: 04:31 AM Moon Phase ( Waxing Gibbous ) |
|
| 01 January 2026 Thursday | Sunny |
3.4 ° C (38.2°F) |
10.8 ° C (51.5°F) |
6.9 ° C (44.5°F) |
% 65 | 0% | 3 | Sunrise:07:19 AM Sunset: 04:57 PM |
Moonrise:03:02 PM Moonset: 05:48 AM Moon Phase ( Waxing Gibbous ) |
|
| 02 January 2026 Friday | Partly Cloudy |
1.8 ° C (35.2°F) |
8.6 ° C (47.4°F) |
4.9 ° C (40.9°F) |
% 59 | 0% | 2 | Sunrise:07:20 AM Sunset: 04:58 PM |
Moonrise:04:10 PM Moonset: 06:57 AM Moon Phase ( Waxing Gibbous ) |
|
| 03 January 2026 Saturday | Partly Cloudy |
2.2 ° C (36°F) |
10.3 ° C (50.5°F) |
5.5 ° C (41.9°F) |
% 64 | 0% | 3 | Sunrise:07:20 AM Sunset: 04:59 PM |
Moonrise:05:26 PM Moonset: 07:55 AM Moon Phase ( Full Moon ) |
|
| 04 January 2026 Sunday | Partly Cloudy |
2.5 ° C (36.5°F) |
12.9 ° C (55.3°F) |
7 ° C (44.6°F) |
% 61 | 0% | 3 | Sunrise:07:20 AM Sunset: 05:00 PM |
Moonrise:06:42 PM Moonset: 08:41 AM Moon Phase ( Waning Gibbous ) |
|
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