Antioch Weather Forecast 15 Days, Weather in Antioch Today

Current weather conditions and 15 day weather forecast for Antioch, 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 Antioch

18 December 2025 Thursday
12.2 ° C / 54°F
Overcast
Overcast
Feels Like : 12.6 ° C / 54.6°F
Humidity : % 93
Pressure : 1022 mb
Wind Speed : 4 kmph / 2.5 miles from SSWSSW
Visibility : 14 km
Precipitation (rainfall) : 0 mm
Cloud (%) : 100

15 day weather forecast for Antioch, CA, USA

Weather Forecast for next 15 Days for Antioch 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 Antioch, 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
18 December 2025 Thursday Fog Fog 10.3 ° C
(50.5°F)
16.3 ° C
(61.3°F)
12.7 ° C
(54.8°F)
% 86 0% 0.4 Sunrise:07:18 AM
Sunset: 04:50 PM
Moonrise:06:26 AM
Moonset: 03:33 PM
Moon Phase
( Waning Crescent )
19 December 2025 Friday Overcast  Overcast 11.4 ° C
(52.5°F)
15.7 ° C
(60.3°F)
13.1 ° C
(55.6°F)
% 83 0% 0.4 Sunrise:07:19 AM
Sunset: 04:50 PM
Moonrise:07:23 AM
Moonset: 04:21 PM
Moon Phase
( New Moon )
20 December 2025 Saturday Moderate rain Moderate rain 11.2 ° C
(52.2°F)
16.9 ° C
(62.4°F)
13.9 ° C
(57.1°F)
% 85 74% 0.2 Sunrise:07:20 AM
Sunset: 04:51 PM
Moonrise:08:13 AM
Moonset: 05:18 PM
Moon Phase
( New Moon )
21 December 2025 Sunday Moderate rain Moderate rain 13.4 ° C
(56.1°F)
16.4 ° C
(61.6°F)
14.6 ° C
(58.3°F)
% 93 89% 0.1 Sunrise:07:20 AM
Sunset: 04:51 PM
Moonrise:08:58 AM
Moonset: 06:19 PM
Moon Phase
( Waxing Crescent )
22 December 2025 Monday Patchy rain nearby Patchy rain nearby 13.1 ° C
(55.6°F)
16.5 ° C
(61.8°F)
14.3 ° C
(57.7°F)
% 90 88% 0 Sunrise:07:21 AM
Sunset: 04:52 PM
Moonrise:09:36 AM
Moonset: 07:23 PM
Moon Phase
( Waxing Crescent )
23 December 2025 Tuesday Patchy rain nearby Patchy rain nearby 11.7 ° C
(53.1°F)
16.4 ° C
(61.5°F)
13.9 ° C
(57.1°F)
% 83 83% 3 Sunrise:07:21 AM
Sunset: 04:52 PM
Moonrise:10:07 AM
Moonset: 08:28 PM
Moon Phase
( Waxing Crescent )
24 December 2025 Wednesday Moderate rain Moderate rain 10 ° C
(50°F)
10.6 ° C
(51.1°F)
10.4 ° C
(50.7°F)
% 97 88% 3 Sunrise:07:21 AM
Sunset: 04:53 PM
Moonrise:10:35 AM
Moonset: 09:33 PM
Moon Phase
( Waxing Crescent )
25 December 2025 Thursday Moderate rain Moderate rain 9.4 ° C
(48.9°F)
10 ° C
(50.1°F)
9.9 ° C
(49.8°F)
% 98 84% 2 Sunrise:07:22 AM
Sunset: 04:54 PM
Moonrise:11:00 AM
Moonset: 10:37 PM
Moon Phase
( Waxing Crescent )
26 December 2025 Friday Patchy rain nearby Patchy rain nearby 11 ° C
(51.8°F)
15.9 ° C
(60.5°F)
13.2 ° C
(55.7°F)
% 88 86% 3 Sunrise:07:22 AM
Sunset: 04:54 PM
Moonrise:11:24 AM
Moonset: 11:44 PM
Moon Phase
( Waxing Crescent )
27 December 2025 Saturday Sunny Sunny 9.2 ° C
(48.6°F)
15.5 ° C
(59.9°F)
12.1 ° C
(53.8°F)
% 84 0% 4 Sunrise:07:22 AM
Sunset: 04:55 PM
Moonrise:11:48 AM
Moonset: No moonset
Moon Phase
( First Quarter )
28 December 2025 Sunday Sunny Sunny 8.6 ° C
(47.5°F)
13.8 ° C
(56.8°F)
11.1 ° C
(52.1°F)
% 77 0% 4 Sunrise:07:23 AM
Sunset: 04:56 PM
Moonrise:12:14 PM
Moonset: 12:51 AM
Moon Phase
( Waxing Gibbous )
29 December 2025 Monday Sunny Sunny 7.4 ° C
(45.2°F)
13.9 ° C
(57°F)
10.3 ° C
(50.6°F)
% 82 0% 4 Sunrise:07:23 AM
Sunset: 04:56 PM
Moonrise:12:44 PM
Moonset: 02:03 AM
Moon Phase
( Waxing Gibbous )
30 December 2025 Tuesday Partly Cloudy  Partly Cloudy 7.2 ° C
(45°F)
11.7 ° C
(53°F)
9.5 ° C
(49.1°F)
% 88 0% 3 Sunrise:07:23 AM
Sunset: 04:57 PM
Moonrise:01:21 PM
Moonset: 03:18 AM
Moon Phase
( Waxing Gibbous )
31 December 2025 Wednesday Patchy rain nearby Patchy rain nearby 8.2 ° C
(46.8°F)
13.4 ° C
(56.1°F)
10.8 ° C
(51.4°F)
% 83 85% 3 Sunrise:07:23 AM
Sunset: 04:58 PM
Moonrise:02:06 PM
Moonset: 04:36 AM
Moon Phase
( Waxing Gibbous )
Antioch Weather forecasts are usually fully updated every 4 hours.
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