Walnut Creek Weather Forecast 15 Days, Weather in Walnut Creek Today
Current weather conditions and 15 day weather forecast for Walnut Creek, 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 Walnut Creek
| 26 December 2025 Friday 12.2 ° C / 54°F  Clear |
Feels Like : 10.1 ° C / 50.1°F Humidity : % 66 Pressure : 1012 mb Wind Speed : 20.9 kmph / 13 miles from SW  Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 0 |
15 day weather forecast for Walnut Creek, CA, USA
Weather Forecast for next 15 Days for Walnut Creek 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 Walnut Creek, 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 26 December 2025 Friday |  Patchy rain nearby |
8.4 ° C (47.1°F) |
13.8 ° C (56.8°F) |
10.7 ° C (51.2°F) |
% 82 | 89% | 0.3 | Sunrise:07:23 AM Sunset: 04:56 PM |
Moonrise:11:25 AM Moonset: 11:45 PM Moon Phase ( Waxing Crescent ) |
|
| 27 December 2025 Saturday |  Overcast |
7.5 ° C (45.5°F) |
9.7 ° C (49.5°F) |
8.8 ° C (47.8°F) |
% 88 | 0% | 0.3 | Sunrise:07:23 AM Sunset: 04:56 PM |
Moonrise:11:49 AM Moonset: No moonset Moon Phase ( First Quarter ) |
|
| 28 December 2025 Sunday | Sunny |
4.8 ° C (40.6°F) |
11.5 ° C (52.7°F) |
7.7 ° C (45.9°F) |
% 61 | 0% | 0.4 | Sunrise:07:24 AM Sunset: 04:57 PM |
Moonrise:12:15 PM Moonset: 12:52 AM Moon Phase ( Waxing Gibbous ) |
|
| 29 December 2025 Monday | Sunny |
6.1 ° C (42.9°F) |
13.9 ° C (56.9°F) |
9.3 ° C (48.7°F) |
% 64 | 0% | 0.4 | Sunrise:07:24 AM Sunset: 04:58 PM |
Moonrise:12:45 PM Moonset: 02:04 AM Moon Phase ( Waxing Gibbous ) |
|
| 30 December 2025 Tuesday | Sunny |
6.8 ° C (44.2°F) |
14.5 ° C (58.1°F) |
9.2 ° C (48.6°F) |
% 64 | 0% | 0 | Sunrise:07:24 AM Sunset: 04:58 PM |
Moonrise:01:22 PM Moonset: 03:19 AM Moon Phase ( Waxing Gibbous ) |
|
| 31 December 2025 Wednesday |  Partly Cloudy |
7.3 ° C (45.1°F) |
14.1 ° C (57.3°F) |
10.1 ° C (50.1°F) |
% 67 | 0% | 4 | Sunrise:07:24 AM Sunset: 04:59 PM |
Moonrise:02:07 PM Moonset: 04:36 AM Moon Phase ( Waxing Gibbous ) |
|
| 01 January 2026 Thursday | Patchy rain nearby |
8 ° C (46.4°F) |
15 ° C (59°F) |
11.1 ° C (52°F) |
% 66 | 75% | 3 | Sunrise:07:24 AM Sunset: 05:00 PM |
Moonrise:03:04 PM Moonset: 05:53 AM Moon Phase ( Waxing Gibbous ) |
|
| 02 January 2026 Friday |  Moderate rain |
11 ° C (51.8°F) |
14.4 ° C (57.9°F) |
12.4 ° C (54.3°F) |
% 83 | 89% | 3 | Sunrise:07:25 AM Sunset: 05:01 PM |
Moonrise:04:12 PM Moonset: 07:02 AM Moon Phase ( Waxing Gibbous ) |
|
| 03 January 2026 Saturday | Sunny |
9.7 ° C (49.4°F) |
14.5 ° C (58.1°F) |
11.4 ° C (52.6°F) |
% 78 | 0% | 4 | Sunrise:07:25 AM Sunset: 05:02 PM |
Moonrise:05:28 PM Moonset: 08:00 AM Moon Phase ( Full Moon ) |
|
| 04 January 2026 Sunday | Sunny |
8.5 ° C (47.2°F) |
14.6 ° C (58.3°F) |
11 ° C (51.7°F) |
% 72 | 0% | 4 | Sunrise:07:25 AM Sunset: 05:03 PM |
Moonrise:06:44 PM Moonset: 08:46 AM Moon Phase ( Waning Gibbous ) |
|
| 05 January 2026 Monday | Overcast |
7.8 ° C (46°F) |
14 ° C (57.2°F) |
10.9 ° C (51.6°F) |
% 72 | 0% | 3 | Sunrise:07:25 AM Sunset: 05:03 PM |
Moonrise:07:58 PM Moonset: 09:23 AM Moon Phase ( Waning Gibbous ) |
|
| 06 January 2026 Tuesday | Patchy rain nearby |
10 ° C (50°F) |
10.9 ° C (51.7°F) |
10.7 ° C (51.3°F) |
% 88 | 84% | 3 | Sunrise:07:25 AM Sunset: 05:04 PM |
Moonrise:09:07 PM Moonset: 09:52 AM Moon Phase ( Waning Gibbous ) |
|
| 07 January 2026 Wednesday | Patchy rain nearby |
12.1 ° C (53.7°F) |
14.6 ° C (58.4°F) |
13.4 ° C (56.1°F) |
% 91 | 83% | 3 | Sunrise:07:25 AM Sunset: 05:05 PM |
Moonrise:10:12 PM Moonset: 10:17 AM Moon Phase ( Waning Gibbous ) |
|
| 08 January 2026 Thursday | Moderate rain |
8.8 ° C (47.8°F) |
11.4 ° C (52.5°F) |
10.7 ° C (51.3°F) |
% 86 | 85% | 3 | Sunrise:07:25 AM Sunset: 05:06 PM |
Moonrise:11:15 PM Moonset: 10:41 AM Moon Phase ( Waning Gibbous ) |
|
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