Current Conditions
Simi Valley, California
Wind
S 2 mph4 km/h
Humidity
86%
Cloud Cover
54%
As of Thursday, August 13, 2026 at 5:40 AM PDT
Today's Outlook
Day
Mostly cloudy and warm, with a high of 77°F25°C and morning low of 68°F20°C. Breezy from the S at 6 to 8 mph9 to 13 km/h.
Night
Partly cloudy, with a low around 65°F18°C. Light wind from the SSW around 3 mph4 km/h.
7-Day Forecast
| Day | Condition | High (°F) | Low (°F) | Precip (mm) | Cloud Cover (%) | Wind (mph) | |
|---|---|---|---|---|---|---|---|
| Partly Cloudy | High 77°F25°C | Low 65°F18°C | Precip 0 in0 mm— | Cloud 44% | Wind S 4 mph7 km/h | Thursday: Mostly cloudy and warm, with a high of 77°F25°C and morning low of 68°F20°C. Breezy from the S at 6 to 8 mph9 to 13 km/h. Thursday Night: Partly cloudy, with a low around 65°F18°C. Light wind from the SSW around 3 mph4 km/h. | |
| Clear | High 78°F25°C | Low 64°F18°C | Precip 0 in0.1 mm2% | Cloud 30% | Wind SSW 4 mph6 km/h | Friday: Partly cloudy and warm, with a high of 78°F25°C and morning low of 67°F19°C. Breezy from the SSW at 5 to 7 mph8 to 12 km/h. Friday Night: Partly cloudy, with a low around 64°F18°C. Light wind from the SW around 2 mph4 km/h. | |
| Clear | High 80°F27°C | Low 64°F18°C | Precip 0 in0 mm— | Cloud 13% | Wind SW 3 mph5 km/h | Saturday: Mostly clear and warm, with a high of 80°F27°C and morning low of 67°F20°C. Light wind from the SW around 5 mph7 km/h. Saturday Night: Mostly clear, with a low around 64°F18°C. Light wind from the WSW around 2 mph3 km/h. | |
| Clear | High 84°F29°C | Low 64°F18°C | Precip 0 in0 mm— | Cloud 28% | Wind WSW 3 mph6 km/h | Sunday: Mostly clear and warm, with a high of 84°F29°C and morning low of 69°F20°C. Breezy from the SW at 5 to 7 mph7 to 11 km/h. Sunday Night: Partly cloudy, with a low around 64°F18°C. Light wind from the W around 2 mph4 km/h. | |
| Partly Cloudy | High 84°F29°C | Low 67°F19°C | Precip 0 in0 mm— | Cloud 42% | Wind WSW 3 mph5 km/h | Monday: Partly cloudy and warm, with a high of 84°F29°C and morning low of 71°F21°C. Breezy from the SW at 5 to 7 mph8 to 11 km/h. Monday Night: Partly cloudy, with a low around 67°F19°C. Light wind from the W around 2 mph3 km/h. | |
| Clear | High 85°F29°C | Low 67°F20°C | Precip 0 in0 mm— | Cloud 27% | Wind SW 3 mph5 km/h | Tuesday: Mostly clear and warm, with a high of 85°F29°C and morning low of 72°F22°C. Breezy from the SW at 5 to 7 mph8 to 11 km/h. Tuesday Night: Partly cloudy, with a low around 67°F20°C. Light wind from the W around 2 mph3 km/h. | |
| Clear | High 85°F30°C | Low 68°F20°C | Precip 0 in0 mm— | Cloud 16% | Wind SW 3 mph5 km/h | Wednesday: Mostly clear and warm, with a high of 85°F30°C and morning low of 72°F22°C. Breezy from the SW at 5 to 7 mph8 to 11 km/h. Wednesday Night: Mostly clear, with a low around 68°F20°C. Light wind from the SSW around 2 mph3 km/h. |
15-Day Forecast
| Day | High | Low | Precip | Cloud Cover | Condition | Wind | |
|---|---|---|---|---|---|---|---|
| ThursdayAug 13 | 77°F25°C | 65°F18°C | 0 in0 mm· — | 44% | Partly Cloudy | S 4 mph7 km/h | |
DayMostly cloudy and warm, with a high of 77°F25°C and morning low of 68°F20°C. Breezy from the S at 6 to 8 mph9 to 13 km/h. NightPartly cloudy, with a low around 65°F18°C. Light wind from the SSW around 3 mph4 km/h. | |||||||
| FridayAug 14 | 78°F25°C | 64°F18°C | 0 in0.1 mm· 2% | 30% | Clear | SSW 4 mph6 km/h | |
DayPartly cloudy and warm, with a high of 78°F25°C and morning low of 67°F19°C. Breezy from the SSW at 5 to 7 mph8 to 12 km/h. NightPartly cloudy, with a low around 64°F18°C. Light wind from the SW around 2 mph4 km/h. | |||||||
| SaturdayAug 15 | 80°F27°C | 64°F18°C | 0 in0 mm· — | 13% | Clear | SW 3 mph5 km/h | |
DayMostly clear and warm, with a high of 80°F27°C and morning low of 67°F20°C. Light wind from the SW around 5 mph7 km/h. NightMostly clear, with a low around 64°F18°C. Light wind from the WSW around 2 mph3 km/h. | |||||||
| SundayAug 16 | 84°F29°C | 64°F18°C | 0 in0 mm· — | 28% | Clear | WSW 3 mph6 km/h | |
DayMostly clear and warm, with a high of 84°F29°C and morning low of 69°F20°C. Breezy from the SW at 5 to 7 mph7 to 11 km/h. NightPartly cloudy, with a low around 64°F18°C. Light wind from the W around 2 mph4 km/h. | |||||||
| MondayAug 17 | 84°F29°C | 67°F19°C | 0 in0 mm· — | 42% | Partly Cloudy | WSW 3 mph5 km/h | |
DayPartly cloudy and warm, with a high of 84°F29°C and morning low of 71°F21°C. Breezy from the SW at 5 to 7 mph8 to 11 km/h. NightPartly cloudy, with a low around 67°F19°C. Light wind from the W around 2 mph3 km/h. | |||||||
| TuesdayAug 18 | 85°F29°C | 67°F20°C | 0 in0 mm· — | 27% | Clear | SW 3 mph5 km/h | |
DayMostly clear and warm, with a high of 85°F29°C and morning low of 72°F22°C. Breezy from the SW at 5 to 7 mph8 to 11 km/h. NightPartly cloudy, with a low around 67°F20°C. Light wind from the W around 2 mph3 km/h. | |||||||
| WednesdayAug 19 | 85°F30°C | 68°F20°C | 0 in0 mm· — | 16% | Clear | SW 3 mph5 km/h | |
DayMostly clear and warm, with a high of 85°F30°C and morning low of 72°F22°C. Breezy from the SW at 5 to 7 mph8 to 11 km/h. NightMostly clear, with a low around 68°F20°C. Light wind from the SSW around 2 mph3 km/h. | |||||||
| ThursdayAug 20 | 85°F29°C | 68°F20°C | 0 in0 mm· — | 21% | Clear | SW 3 mph5 km/h | |
DayMostly clear and warm, with a high of 85°F29°C and morning low of 73°F23°C. Light wind from the SW around 4 mph7 km/h. NightMostly clear, with a low around 68°F20°C. Light wind from the S around 2 mph3 km/h. | |||||||
| FridayAug 21 | 86°F30°C | 68°F20°C | 0 in0 mm· — | 21% | Clear | SW 3 mph5 km/h | |
DayMostly clear and warm, with a high of 86°F30°C and morning low of 72°F22°C. Light wind from the SW around 4 mph7 km/h. NightMostly clear, with a low around 68°F20°C. Light wind from the W around 2 mph3 km/h. | |||||||
| SaturdayAug 22 | 85°F30°C | 68°F20°C | 0 in0 mm· — | 17% | Clear | SW 3 mph5 km/h | |
DayMostly clear and warm, with a high of 85°F30°C and morning low of 72°F22°C. Light wind from the SW around 4 mph7 km/h. NightMostly clear, with a low around 68°F20°C. Light wind from the W around 2 mph3 km/h. | |||||||
| SundayAug 23 | 86°F30°C | 68°F20°C | 0 in0 mm· — | 15% | Clear | SW 3 mph5 km/h | |
DayMostly clear and warm, with a high of 86°F30°C and morning low of 72°F22°C. Light wind from the SW around 5 mph7 km/h. NightMostly clear, with a low around 68°F20°C. Light wind from the W around 2 mph3 km/h. | |||||||
| MondayAug 24 | 85°F30°C | 67°F19°C | 0 in0 mm· — | 13% | Clear | SW 3 mph5 km/h | |
DayMostly clear and warm, with a high of 85°F30°C and morning low of 72°F22°C. Light wind from the SW around 4 mph7 km/h. NightMostly clear, with a low around 67°F19°C. Light wind from the W around 2 mph3 km/h. | |||||||
| TuesdayAug 25 | 86°F30°C | 67°F19°C | 0 in0.1 mm· 2% | 16% | Clear | SW 3 mph5 km/h | |
DayMostly clear and warm, with a high of 86°F30°C and morning low of 71°F22°C. Light wind from the SW around 4 mph7 km/h. NightMostly clear, with a low around 67°F19°C. Light wind from the WNW around 2 mph3 km/h. | |||||||
| WednesdayAug 26 | 86°F30°C | 67°F20°C | 0 in0 mm· — | 26% | Clear | WSW 3 mph5 km/h | |
DayPartly cloudy and hot, with a high of 86°F30°C and morning low of 73°F23°C. Light wind from the SW around 4 mph7 km/h. NightPartly cloudy, with a low around 67°F20°C. Light wind from the NW around 2 mph4 km/h. | |||||||
| ThursdayAug 27 | 85°F30°C | 68°F20°C | 0.04 in0.9 mm· 5% | 34% | Clear | WSW 4 mph6 km/h | |
DayPartly cloudy and warm, with a high of 85°F30°C and morning low of 72°F22°C. Light wind from the SW around 5 mph8 km/h. NightPartly cloudy, with a low around 68°F20°C. Light wind from the NNW around 2 mph4 km/h. | |||||||
Nearby Cities
About This Forecast
This forecast is powered by WeatherMesh, the world's most advanced and accurate weather model powered by AI. WeatherMesh is built on proprietary data from WindBorne's Global Sounding Balloon constellation — the world's largest fleet of autonomous, long-duration weather balloons — collecting observations across 100% of Earth, including over oceans and remote regions where no other data exists.
WeatherMesh consistently outperforms legacy models in independent benchmarks. View Benchmarks →
Access WeatherMesh forecasts programmatically via our API. API Documentation →
Coordinates: 34.2694°N, 118.7815°W·Elevation: 234m·Timezone: America/Los_Angeles·Population: 126,788