Current weather conditions and 15 day weather forecast for Simi Valley, 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.
| 11 August 2026 Tuesday 21.2 ° C / 70.2°F ![]() Clear |
Feels Like : 23.4 ° C / 74.1°F Humidity : % 79 Pressure : 1015 mb Wind Speed : 3.6 kmph / 2.2 miles from WNW ![]() Visibility : 10 km Precipitation (rainfall) : 0 mm Cloud (%) : 5 |
| Date | Weather forecast | Low temperature | High temperature | Avg. temperature | Humidity | Chance of rain | UV Index | Sun Position | Moon Position | |
|---|---|---|---|---|---|---|---|---|---|---|
| 10 August 2026 Monday | Sunny |
20.1 ° C (68.2°F) |
35.6 ° C (96.1°F) |
26.3 ° C (79.3°F) |
% 57 | 3% | 9.7 | Sunrise:06:12 AM Sunset: 07:48 PM |
Moonrise:03:12 AM Moonset: 06:24 PM Moon Phase ( New Moon ) |
|
| 11 August 2026 Tuesday | Sunny |
17.3 ° C (63.1°F) |
33.5 ° C (92.4°F) |
24.1 ° C (75.4°F) |
% 62 | 6% | 9.8 | Sunrise:06:13 AM Sunset: 07:47 PM |
Moonrise:04:28 AM Moonset: 07:10 PM Moon Phase ( New Moon ) |
|
| 12 August 2026 Wednesday | Sunny |
17.2 ° C (62.9°F) |
31.2 ° C (88.2°F) |
23.5 ° C (74.3°F) |
% 56 | 4% | 8.9 | Sunrise:06:14 AM Sunset: 07:46 PM |
Moonrise:05:46 AM Moonset: 07:49 PM Moon Phase ( New Moon ) |
|
| 13 August 2026 Thursday | Sunny |
14.7 ° C (58.5°F) |
28.7 ° C (83.7°F) |
21.3 ° C (70.3°F) |
% 64 | 4% | 9.2 | Sunrise:06:14 AM Sunset: 07:45 PM |
Moonrise:07:02 AM Moonset: 08:23 PM Moon Phase ( New Moon ) |
|
| 14 August 2026 Friday | Sunny |
13 ° C (55.4°F) |
29.7 ° C (85.5°F) |
20.2 ° C (68.4°F) |
% 65 | 4% | 9.9 | Sunrise:06:15 AM Sunset: 07:43 PM |
Moonrise:08:14 AM Moonset: 08:53 PM Moon Phase ( Waxing Crescent ) |
|
| 15 August 2026 Saturday | Sunny |
14.2 ° C (57.5°F) |
30.4 ° C (86.6°F) |
21.3 ° C (70.4°F) |
% 54 | 4% | 7 | Sunrise:06:16 AM Sunset: 07:42 PM |
Moonrise:09:24 AM Moonset: 09:22 PM Moon Phase ( Waxing Crescent ) |
|
| 16 August 2026 Sunday | Sunny |
16 ° C (60.9°F) |
32.5 ° C (90.5°F) |
22.7 ° C (72.9°F) |
% 47 | 1% | 8 | Sunrise:06:17 AM Sunset: 07:41 PM |
Moonrise:10:32 AM Moonset: 09:52 PM Moon Phase ( Waxing Crescent ) |
|
| 17 August 2026 Monday | Sunny |
16.2 ° C (61.2°F) |
33.2 ° C (91.7°F) |
23.6 ° C (74.5°F) |
% 40 | 1% | 8 | Sunrise:06:17 AM Sunset: 07:40 PM |
Moonrise:11:39 AM Moonset: 10:24 PM Moon Phase ( Waxing Crescent ) |
|
| 18 August 2026 Tuesday | Sunny |
18.8 ° C (65.9°F) |
36.8 ° C (98.3°F) |
26.6 ° C (80°F) |
% 28 | 0% | 9 | Sunrise:06:18 AM Sunset: 07:39 PM |
Moonrise:12:46 PM Moonset: 10:59 PM Moon Phase ( First Quarter ) |
|
| 19 August 2026 Wednesday | Sunny |
19.2 ° C (66.6°F) |
35.3 ° C (95.6°F) |
26.3 ° C (79.4°F) |
% 34 | 1% | 9 | Sunrise:06:19 AM Sunset: 07:38 PM |
Moonrise:01:50 PM Moonset: 11:39 PM Moon Phase ( First Quarter ) |
|
| 20 August 2026 Thursday | Sunny |
17.2 ° C (62.9°F) |
32.3 ° C (90.2°F) |
23.7 ° C (74.7°F) |
% 50 | 2% | 8 | Sunrise:06:20 AM Sunset: 07:36 PM |
Moonrise:02:52 PM Moonset: Does not set today Moon Phase ( First Quarter ) |
|
| 21 August 2026 Friday | Sunny |
15.5 ° C (59.9°F) |
31.3 ° C (88.4°F) |
22.2 ° C (71.9°F) |
% 59 | 3% | 8 | Sunrise:06:20 AM Sunset: 07:35 PM |
Moonrise:03:48 PM Moonset: 12:25 AM Moon Phase ( First Quarter ) |
|
| 22 August 2026 Saturday | Sunny |
14.8 ° C (58.7°F) |
31.2 ° C (88.2°F) |
21.9 ° C (71.3°F) |
% 57 | 3% | 8 | Sunrise:06:21 AM Sunset: 07:34 PM |
Moonrise:04:39 PM Moonset: 01:16 AM Moon Phase ( Waxing Gibbous ) |
|
| 23 August 2026 Sunday | Sunny |
15.5 ° C (59.9°F) |
33.4 ° C (92.2°F) |
22.9 ° C (73.2°F) |
% 50 | 2% | 8 | Sunrise:06:22 AM Sunset: 07:33 PM |
Moonrise:05:22 PM Moonset: 02:12 AM Moon Phase ( Waxing Gibbous ) |
|