Vacaville Weather Forecast 15 Days, Weather in Vacaville Today
Current weather conditions and 15 day weather forecast for Vacaville, 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 Vacaville
| 25 December 2025 Thursday 15.3 ° C / 59.5°F  Partly cloudy |
Feels Like : 15.3 ° C / 59.5°F Humidity : % 78 Pressure : 1004 mb Wind Speed : 8.3 kmph / 5.1 miles from SE  Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 75 |
15 day weather forecast for Vacaville, CA, USA
Weather Forecast for next 15 Days for Vacaville 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 Vacaville, 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 24 December 2025 Wednesday |  Moderate rain |
11.6 ° C (52.9°F) |
16.9 ° C (62.4°F) |
14 ° C (57.2°F) |
% 84 | 81% | 0.2 | Sunrise:07:23 AM Sunset: 04:52 PM |
Moonrise:10:36 AM Moonset: 09:33 PM Moon Phase ( Waxing Crescent ) |
|
| 25 December 2025 Thursday |  Heavy rain |
10.8 ° C (51.4°F) |
13.7 ° C (56.7°F) |
12.1 ° C (53.7°F) |
% 83 | 87% | 0.1 | Sunrise:07:24 AM Sunset: 04:53 PM |
Moonrise:11:01 AM Moonset: 10:38 PM Moon Phase ( Waxing Crescent ) |
|
| 26 December 2025 Friday | Heavy rain |
10.6 ° C (51.1°F) |
12.1 ° C (53.8°F) |
11.5 ° C (52.6°F) |
% 91 | 87% | 0.3 | Sunrise:07:24 AM Sunset: 04:54 PM |
Moonrise:11:25 AM Moonset: 11:44 PM Moon Phase ( Waxing Crescent ) |
|
| 27 December 2025 Saturday | Partly Cloudy |
8 ° C (46.5°F) |
14.2 ° C (57.6°F) |
10.4 ° C (50.7°F) |
% 85 | 0% | 0.2 | Sunrise:07:24 AM Sunset: 04:54 PM |
Moonrise:11:49 AM Moonset: No moonset Moon Phase ( First Quarter ) |
|
| 28 December 2025 Sunday |  Sunny |
5.4 ° C (41.7°F) |
13.2 ° C (55.8°F) |
8.2 ° C (46.8°F) |
% 71 | 0% | 0.3 | Sunrise:07:24 AM Sunset: 04:55 PM |
Moonrise:12:14 PM Moonset: 12:52 AM Moon Phase ( Waxing Gibbous ) |
|
| 29 December 2025 Monday | Sunny |
4.6 ° C (40.2°F) |
13.7 ° C (56.6°F) |
7.5 ° C (45.4°F) |
% 71 | 0% | 0 | Sunrise:07:25 AM Sunset: 04:56 PM |
Moonrise:12:44 PM Moonset: 02:04 AM Moon Phase ( Waxing Gibbous ) |
|
| 30 December 2025 Tuesday | Sunny |
5.5 ° C (41.9°F) |
13.6 ° C (56.5°F) |
8.7 ° C (47.7°F) |
% 73 | 0% | 3 | Sunrise:07:25 AM Sunset: 04:57 PM |
Moonrise:01:20 PM Moonset: 03:20 AM Moon Phase ( Waxing Gibbous ) |
|
| 31 December 2025 Wednesday | Partly Cloudy |
6.7 ° C (44.1°F) |
10.7 ° C (51.2°F) |
8.9 ° C (48°F) |
% 74 | 0% | 3 | Sunrise:07:25 AM Sunset: 04:57 PM |
Moonrise:02:05 PM Moonset: 04:38 AM Moon Phase ( Waxing Gibbous ) |
|
| 01 January 2026 Thursday |  Patchy rain nearby |
9 ° C (48.3°F) |
11.9 ° C (53.4°F) |
10.7 ° C (51.2°F) |
% 89 | 89% | 3 | Sunrise:07:25 AM Sunset: 04:58 PM |
Moonrise:03:02 PM Moonset: 05:55 AM Moon Phase ( Waxing Gibbous ) |
|
| 02 January 2026 Friday | Sunny |
6.1 ° C (43°F) |
13 ° C (55.5°F) |
9.2 ° C (48.6°F) |
% 78 | 0% | 3 | Sunrise:07:25 AM Sunset: 04:59 PM |
Moonrise:04:10 PM Moonset: 07:04 AM Moon Phase ( Waxing Gibbous ) |
|
| 03 January 2026 Saturday | Sunny |
4.2 ° C (39.5°F) |
12.5 ° C (54.5°F) |
7.5 ° C (45.5°F) |
% 76 | 0% | 3 | Sunrise:07:26 AM Sunset: 05:00 PM |
Moonrise:05:26 PM Moonset: 08:01 AM Moon Phase ( Full Moon ) |
|
| 04 January 2026 Sunday | Sunny |
3.7 ° C (38.7°F) |
13 ° C (55.4°F) |
7.7 ° C (45.8°F) |
% 72 | 0% | 3 | Sunrise:07:26 AM Sunset: 05:01 PM |
Moonrise:06:43 PM Moonset: 08:47 AM Moon Phase ( Waning Gibbous ) |
|
| 05 January 2026 Monday | Patchy rain nearby |
5.5 ° C (42°F) |
13.7 ° C (56.7°F) |
9 ° C (48.2°F) |
% 85 | 68% | 2 | Sunrise:07:26 AM Sunset: 05:02 PM |
Moonrise:07:57 PM Moonset: 09:23 AM Moon Phase ( Waning Gibbous ) |
|
| 06 January 2026 Tuesday | Sunny |
4.9 ° C (40.9°F) |
13.2 ° C (55.7°F) |
8.3 ° C (46.9°F) |
% 50 | 0% | 3 | Sunrise:07:26 AM Sunset: 05:03 PM |
Moonrise:09:06 PM Moonset: 09:53 AM Moon Phase ( Waning Gibbous ) |
|
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