Diamond Bar Weather Forecast 15 Days, Weather in Diamond Bar Today
Current weather conditions and 15 day weather forecast for Diamond Bar, 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 Diamond Bar
| 11 February 2026 Wednesday 12.2 ° C / 54°F  Light rain |
Feels Like : 11.7 ° C / 53.1°F Humidity : % 100 Pressure : 1017 mb Wind Speed : 7.2 kmph / 4.5 miles from WNW  Visibility : 4.8 km Precipitation (rainfall) : 5.4 mm Cloud (%) : 100 |
15 day weather forecast for Diamond Bar, CA, USA
Weather Forecast for next 15 Days for Diamond Bar 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 Diamond Bar, 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 11 February 2026 Wednesday |  Heavy rain |
9.1 ° C (48.4°F) |
14.2 ° C (57.6°F) |
12.2 ° C (54°F) |
% 87 | 86% | 0.5 | Sunrise:06:40 AM Sunset: 05:32 PM |
Moonrise:02:34 AM Moonset: 12:05 PM Moon Phase ( Waning Crescent ) |
|
| 12 February 2026 Thursday |  Overcast |
5.9 ° C (42.6°F) |
14.9 ° C (58.8°F) |
10.3 ° C (50.6°F) |
% 78 | 0% | 0.7 | Sunrise:06:39 AM Sunset: 05:33 PM |
Moonrise:03:29 AM Moonset: 12:56 PM Moon Phase ( Waning Crescent ) |
|
| 13 February 2026 Friday |  Partly Cloudy |
10 ° C (50°F) |
23.2 ° C (73.8°F) |
15 ° C (59°F) |
% 55 | 0% | 0.9 | Sunrise:06:38 AM Sunset: 05:34 PM |
Moonrise:04:19 AM Moonset: 01:53 PM Moon Phase ( Waning Crescent ) |
|
| 14 February 2026 Saturday | Overcast |
11.4 ° C (52.6°F) |
19.1 ° C (66.3°F) |
15.1 ° C (59.1°F) |
% 50 | 0% | 1 | Sunrise:06:37 AM Sunset: 05:35 PM |
Moonrise:05:03 AM Moonset: 02:55 PM Moon Phase ( Waning Crescent ) |
|
| 15 February 2026 Sunday |  Patchy rain nearby |
11.5 ° C (52.6°F) |
16.7 ° C (62.1°F) |
13.7 ° C (56.6°F) |
% 66 | 88% | 0 | Sunrise:06:36 AM Sunset: 05:36 PM |
Moonrise:05:42 AM Moonset: 03:58 PM Moon Phase ( Waning Crescent ) |
|
| 16 February 2026 Monday |  Moderate rain |
9.4 ° C (49°F) |
11.7 ° C (53°F) |
11.1 ° C (51.9°F) |
% 84 | 85% | 3 | Sunrise:06:34 AM Sunset: 05:37 PM |
Moonrise:06:15 AM Moonset: 05:03 PM Moon Phase ( Waning Crescent ) |
|
| 17 February 2026 Tuesday | Heavy rain |
9.2 ° C (48.5°F) |
11.4 ° C (52.5°F) |
10.6 ° C (51.1°F) |
% 85 | 87% | 3 | Sunrise:06:33 AM Sunset: 05:37 PM |
Moonrise:06:45 AM Moonset: 06:07 PM Moon Phase ( New Moon ) |
|
| 18 February 2026 Wednesday | Patchy rain nearby |
8.2 ° C (46.7°F) |
12.1 ° C (53.8°F) |
10.2 ° C (50.4°F) |
% 71 | 88% | 3 | Sunrise:06:32 AM Sunset: 05:38 PM |
Moonrise:07:14 AM Moonset: 07:11 PM Moon Phase ( Waxing Crescent ) |
|
| 19 February 2026 Thursday | Partly Cloudy |
9.2 ° C (48.6°F) |
15.4 ° C (59.7°F) |
12.1 ° C (53.8°F) |
% 58 | 0% | 4 | Sunrise:06:31 AM Sunset: 05:39 PM |
Moonrise:07:41 AM Moonset: 08:15 PM Moon Phase ( Waxing Crescent ) |
|
| 20 February 2026 Friday |  Sunny |
9.1 ° C (48.4°F) |
17.5 ° C (63.4°F) |
12.9 ° C (55.3°F) |
% 49 | 0% | 4 | Sunrise:06:30 AM Sunset: 05:40 PM |
Moonrise:08:08 AM Moonset: 09:22 PM Moon Phase ( Waxing Crescent ) |
|
| 21 February 2026 Saturday | Sunny |
9.4 ° C (48.9°F) |
20.3 ° C (68.6°F) |
14.6 ° C (58.2°F) |
% 36 | 0% | 4 | Sunrise:06:29 AM Sunset: 05:41 PM |
Moonrise:08:38 AM Moonset: 10:31 PM Moon Phase ( Waxing Crescent ) |
|
| 22 February 2026 Sunday | Sunny |
11.1 ° C (51.9°F) |
22.9 ° C (73.2°F) |
16.6 ° C (61.8°F) |
% 29 | 0% | 5 | Sunrise:06:28 AM Sunset: 05:42 PM |
Moonrise:09:12 AM Moonset: 11:42 PM Moon Phase ( Waxing Crescent ) |
|
| 23 February 2026 Monday | Sunny |
13.5 ° C (56.3°F) |
23.3 ° C (74°F) |
17.9 ° C (64.2°F) |
% 27 | 0% | 5 | Sunrise:06:27 AM Sunset: 05:43 PM |
Moonrise:09:52 AM Moonset: No moonset Moon Phase ( Waxing Crescent ) |
|
| 24 February 2026 Tuesday | Sunny |
14.3 ° C (57.8°F) |
25.9 ° C (78.7°F) |
19.7 ° C (67.4°F) |
% 29 | 0% | 5 | Sunrise:06:26 AM Sunset: 05:44 PM |
Moonrise:10:40 AM Moonset: 12:53 AM Moon Phase ( First Quarter ) |
|
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