Union City Weather Forecast 15 Days, Weather in Union City Today
Current weather conditions and 15 day weather forecast for Union City, 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 Union City
| 25 December 2025 Thursday 13.3 ° C / 55.9°F  Light rain |
Feels Like : 10.8 ° C / 51.4°F Humidity : % 87 Pressure : 1003 mb Wind Speed : 32.4 kmph / 20.1 miles from SSE  Visibility : 14 km Precipitation (rainfall) : 2.26 mm Cloud (%) : 100 |
15 day weather forecast for Union City, CA, USA
Weather Forecast for next 15 Days for Union City 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 Union City, 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 |
12.6 ° C (54.7°F) |
16.6 ° C (61.9°F) |
14.3 ° C (57.8°F) |
% 81 | 87% | 0.3 | Sunrise:07:21 AM Sunset: 04:55 PM |
Moonrise:10:35 AM Moonset: 09:35 PM Moon Phase ( Waxing Crescent ) |
|
| 25 December 2025 Thursday | Moderate rain |
11.8 ° C (53.3°F) |
16 ° C (60.8°F) |
13.1 ° C (55.6°F) |
% 80 | 85% | 0.2 | Sunrise:07:22 AM Sunset: 04:56 PM |
Moonrise:11:01 AM Moonset: 10:39 PM Moon Phase ( Waxing Crescent ) |
|
| 26 December 2025 Friday | Moderate rain |
11.8 ° C (53.2°F) |
13.8 ° C (56.8°F) |
12.6 ° C (54.7°F) |
% 85 | 89% | 0.3 | Sunrise:07:22 AM Sunset: 04:57 PM |
Moonrise:11:25 AM Moonset: 11:45 PM Moon Phase ( Waxing Crescent ) |
|
| 27 December 2025 Saturday |  Overcast |
9.3 ° C (48.7°F) |
12.8 ° C (55°F) |
11.3 ° C (52.3°F) |
% 86 | 0% | 0.2 | Sunrise:07:22 AM Sunset: 04:57 PM |
Moonrise:11:50 AM Moonset: No moonset Moon Phase ( First Quarter ) |
|
| 28 December 2025 Sunday |  Sunny |
6.7 ° C (44.1°F) |
14 ° C (57.3°F) |
9.5 ° C (49.2°F) |
% 66 | 0% | 0.3 | Sunrise:07:23 AM Sunset: 04:58 PM |
Moonrise:12:16 PM Moonset: 12:52 AM Moon Phase ( Waxing Gibbous ) |
|
| 29 December 2025 Monday | Sunny |
5.5 ° C (41.9°F) |
14.5 ° C (58.1°F) |
8.5 ° C (47.3°F) |
% 63 | 0% | 0 | Sunrise:07:23 AM Sunset: 04:59 PM |
Moonrise:12:46 PM Moonset: 02:03 AM Moon Phase ( Waxing Gibbous ) |
|
| 30 December 2025 Tuesday |  Partly Cloudy |
6.2 ° C (43.2°F) |
15 ° C (59°F) |
9.7 ° C (49.5°F) |
% 59 | 0% | 3 | Sunrise:07:23 AM Sunset: 04:59 PM |
Moonrise:01:23 PM Moonset: 03:18 AM Moon Phase ( Waxing Gibbous ) |
|
| 31 December 2025 Wednesday | Partly Cloudy |
7.9 ° C (46.3°F) |
11.9 ° C (53.5°F) |
9.9 ° C (49.8°F) |
% 59 | 0% | 3 | Sunrise:07:23 AM Sunset: 05:00 PM |
Moonrise:02:08 PM Moonset: 04:35 AM Moon Phase ( Waxing Gibbous ) |
|
| 01 January 2026 Thursday |  Patchy rain nearby |
11.2 ° C (52.1°F) |
14 ° C (57.2°F) |
12.6 ° C (54.7°F) |
% 86 | 89% | 3 | Sunrise:07:24 AM Sunset: 05:01 PM |
Moonrise:03:06 PM Moonset: 05:52 AM Moon Phase ( Waxing Gibbous ) |
|
| 02 January 2026 Friday | Sunny |
8.3 ° C (47°F) |
13.1 ° C (55.6°F) |
10.7 ° C (51.2°F) |
% 71 | 0% | 4 | Sunrise:07:24 AM Sunset: 05:02 PM |
Moonrise:04:14 PM Moonset: 07:01 AM Moon Phase ( Waxing Gibbous ) |
|
| 03 January 2026 Saturday | Partly Cloudy |
5.5 ° C (41.9°F) |
11.3 ° C (52.4°F) |
8.2 ° C (46.8°F) |
% 70 | 0% | 3 | Sunrise:07:24 AM Sunset: 05:03 PM |
Moonrise:05:29 PM Moonset: 07:59 AM Moon Phase ( Full Moon ) |
|
| 04 January 2026 Sunday | Sunny |
4.7 ° C (40.5°F) |
12.6 ° C (54.7°F) |
8.3 ° C (47°F) |
% 68 | 0% | 3 | Sunrise:07:24 AM Sunset: 05:03 PM |
Moonrise:06:45 PM Moonset: 08:45 AM Moon Phase ( Waning Gibbous ) |
|
| 05 January 2026 Monday | Partly Cloudy |
6.9 ° C (44.4°F) |
14.5 ° C (58°F) |
9.9 ° C (49.8°F) |
% 82 | 0% | 3 | Sunrise:07:24 AM Sunset: 05:04 PM |
Moonrise:07:59 PM Moonset: 09:22 AM Moon Phase ( Waning Gibbous ) |
|
| 06 January 2026 Tuesday | Sunny |
5.6 ° C (42.1°F) |
13.3 ° C (56°F) |
9 ° C (48.2°F) |
% 54 | 0% | 3 | Sunrise:07:24 AM Sunset: 05:05 PM |
Moonrise:09:08 PM Moonset: 09:52 AM Moon Phase ( Waning Gibbous ) |
|
Add a link to your web page; copy and paste this html to your web page