Current Conditions
Rancho Santa Margarita, California
Wind
SSW 2 mph3 km/h
Humidity
84%
Cloud Cover
20%
As of Wednesday, September 2, 2026 at 6:01 AM PDT
Today's Outlook
Day
Mostly clear and warm, with a high of 80°F26°C and morning low of 67°F19°C. Breezy from the SW at 6 to 8 mph9 to 13 km/h.
Night
Mostly clear, with a low around 63°F17°C. Light wind from the WSW around 3 mph5 km/h.
7-Day Forecast
| Day | Condition | High (°F) | Low (°F) | Precip (mm) | Cloud Cover (%) | Wind (mph) | |
|---|---|---|---|---|---|---|---|
| Clear | High 80°F26°C | Low 63°F17°C | Precip 0 in0 mm— | Cloud 6% | Wind WSW 4 mph7 km/h | Wednesday: Mostly clear and warm, with a high of 80°F26°C and morning low of 67°F19°C. Breezy from the SW at 6 to 8 mph9 to 13 km/h. Wednesday Night: Mostly clear, with a low around 63°F17°C. Light wind from the WSW around 3 mph5 km/h. | |
| Clear | High 79°F26°C | Low 64°F18°C | Precip 0 in0 mm— | Cloud 9% | Wind SW 5 mph7 km/h | Thursday: Mostly clear and warm, with a high of 79°F26°C and morning low of 68°F20°C. Breezy from the SW at 6 to 8 mph10 to 13 km/h. Thursday Night: Mostly clear, with a low around 64°F18°C. Light wind from the SSW around 3 mph5 km/h. | |
| Clear | High 80°F27°C | Low 64°F18°C | Precip 0 in0 mm— | Cloud 13% | Wind SW 4 mph6 km/h | Friday: Mostly clear and warm, with a high of 80°F27°C and morning low of 67°F19°C. Breezy from the SW at 5 to 7 mph8 to 12 km/h. Friday Night: Mostly clear, with a low around 64°F18°C. Light wind from the SW around 3 mph5 km/h. | |
| Clear | High 85°F29°C | Low 65°F18°C | Precip 0 in0.1 mm6% | Cloud 13% | Wind WSW 4 mph6 km/h | Saturday: Mostly clear and warm, with a high of 85°F29°C and morning low of 69°F20°C. Breezy from the SW at 5 to 7 mph7 to 11 km/h. Saturday Night: Mostly clear, with a low around 65°F18°C. Light wind from the W around 3 mph4 km/h. | |
| Showers | High 83°F28°C | Low 70°F21°C | Precip 0.1 in2.6 mm27% | Cloud 28% | Wind W 4 mph7 km/h | Sunday: Partly cloudy and warm, with a high of 83°F28°C and morning low of 72°F22°C. Breezy from the W at 5 to 8 mph8 to 12 km/h. 27% chance of showers throughout the day. Sunday Night: Partly cloudy, with a low around 70°F21°C. Light wind from the WNW around 3 mph5 km/h. 20% chance of drizzle before dawn. | |
| Clear | High 85°F29°C | Low 68°F20°C | Precip 0.01 in0.2 mm4% | Cloud 19% | Wind WSW 4 mph6 km/h | Monday: Mostly clear and warm, with a high of 85°F29°C and morning low of 71°F22°C. Breezy from the WSW at 5 to 8 mph8 to 12 km/h. Monday Night: Mostly clear, with a low around 68°F20°C. Light wind from the W around 3 mph4 km/h. | |
| Clear | High 86°F30°C | Low 67°F20°C | Precip 0.03 in0.8 mm4% | Cloud 24% | Wind WSW 4 mph6 km/h | Tuesday: Partly cloudy and warm, with a high of 86°F30°C and morning low of 70°F21°C. Breezy from the WSW at 5 to 8 mph8 to 12 km/h. Tuesday Night: Mostly clear, with a low around 67°F20°C. Light wind from the SW around 3 mph4 km/h. |
15-Day Forecast
| Day | High | Low | Precip | Cloud Cover | Condition | Wind | |
|---|---|---|---|---|---|---|---|
| WednesdaySep 2 | 80°F26°C | 63°F17°C | 0 in0 mm· — | 6% | Clear | WSW 4 mph7 km/h | |
DayMostly clear and warm, with a high of 80°F26°C and morning low of 67°F19°C. Breezy from the SW at 6 to 8 mph9 to 13 km/h. NightMostly clear, with a low around 63°F17°C. Light wind from the WSW around 3 mph5 km/h. | |||||||
| ThursdaySep 3 | 79°F26°C | 64°F18°C | 0 in0 mm· — | 9% | Clear | SW 5 mph7 km/h | |
DayMostly clear and warm, with a high of 79°F26°C and morning low of 68°F20°C. Breezy from the SW at 6 to 8 mph10 to 13 km/h. NightMostly clear, with a low around 64°F18°C. Light wind from the SSW around 3 mph5 km/h. | |||||||
| FridaySep 4 | 80°F27°C | 64°F18°C | 0 in0 mm· — | 13% | Clear | SW 4 mph6 km/h | |
DayMostly clear and warm, with a high of 80°F27°C and morning low of 67°F19°C. Breezy from the SW at 5 to 7 mph8 to 12 km/h. NightMostly clear, with a low around 64°F18°C. Light wind from the SW around 3 mph5 km/h. | |||||||
| SaturdaySep 5 | 85°F29°C | 65°F18°C | 0 in0.1 mm· 6% | 13% | Clear | WSW 4 mph6 km/h | |
DayMostly clear and warm, with a high of 85°F29°C and morning low of 69°F20°C. Breezy from the SW at 5 to 7 mph7 to 11 km/h. NightMostly clear, with a low around 65°F18°C. Light wind from the W around 3 mph4 km/h. | |||||||
| SundaySep 6 | 83°F28°C | 70°F21°C | 0.1 in2.6 mm· 27% | 28% | Showers | W 4 mph7 km/h | |
DayPartly cloudy and warm, with a high of 83°F28°C and morning low of 72°F22°C. Breezy from the W at 5 to 8 mph8 to 12 km/h. 27% chance of showers throughout the day. NightPartly cloudy, with a low around 70°F21°C. Light wind from the WNW around 3 mph5 km/h. 20% chance of drizzle before dawn. | |||||||
| MondaySep 7 | 85°F29°C | 68°F20°C | 0.01 in0.2 mm· 4% | 19% | Clear | WSW 4 mph6 km/h | |
DayMostly clear and warm, with a high of 85°F29°C and morning low of 71°F22°C. Breezy from the WSW at 5 to 8 mph8 to 12 km/h. NightMostly clear, with a low around 68°F20°C. Light wind from the W around 3 mph4 km/h. | |||||||
| TuesdaySep 8 | 86°F30°C | 67°F20°C | 0.03 in0.8 mm· 4% | 24% | Clear | WSW 4 mph6 km/h | |
DayPartly cloudy and warm, with a high of 86°F30°C and morning low of 70°F21°C. Breezy from the WSW at 5 to 8 mph8 to 12 km/h. NightMostly clear, with a low around 67°F20°C. Light wind from the SW around 3 mph4 km/h. | |||||||
| WednesdaySep 9 | 84°F29°C | 68°F20°C | 0.02 in0.6 mm· 5% | 26% | Clear | SW 4 mph7 km/h | |
DayPartly cloudy and warm, with a high of 84°F29°C and morning low of 72°F22°C. Breezy from the SW at 5 to 7 mph8 to 12 km/h. NightMostly clear, with a low around 68°F20°C. Light wind from the SSW around 3 mph5 km/h. | |||||||
| ThursdaySep 10 | 83°F29°C | 68°F20°C | 0.02 in0.5 mm· 6% | 27% | Clear | SW 4 mph7 km/h | |
DayPartly cloudy and warm, with a high of 83°F29°C and morning low of 71°F22°C. Breezy from the SW at 5 to 7 mph8 to 12 km/h. NightPartly cloudy, with a low around 68°F20°C. Light wind from the SW around 3 mph5 km/h. | |||||||
| FridaySep 11 | 84°F29°C | 68°F20°C | 0.03 in0.8 mm· 6% | 41% | Partly Cloudy | SW 4 mph7 km/h | |
DayPartly cloudy and warm, with a high of 84°F29°C and morning low of 71°F22°C. Breezy from the SW at 5 to 7 mph8 to 12 km/h. NightPartly cloudy, with a low around 68°F20°C. Light wind from the SW around 3 mph5 km/h. | |||||||
| SaturdaySep 12 | 83°F28°C | 70°F21°C | 0.11 in2.9 mm· 15% | 51% | Showers | SW 4 mph7 km/h | |
DayMostly cloudy and warm, with a high of 83°F28°C and morning low of 72°F22°C. Breezy from the SW at 6 to 7 mph9 to 12 km/h. 15% chance of showers throughout the day. NightMostly cloudy, with a low around 70°F21°C. Light wind from the SSW around 3 mph5 km/h. 13% chance of showers throughout the night. | |||||||
| SundaySep 13 | 82°F28°C | 70°F21°C | 0.13 in3.3 mm· 16% | 48% | Showers | SW 5 mph7 km/h | |
DayPartly cloudy and warm, with a high of 82°F28°C and morning low of 72°F22°C. Breezy from the SW at 6 to 7 mph9 to 12 km/h. 16% chance of drizzle throughout the day. NightPartly cloudy, with a low around 70°F21°C. Light wind from the SW around 4 mph6 km/h. 15% chance of showers throughout the night. | |||||||
| MondaySep 14 | 81°F27°C | 69°F20°C | 0.07 in1.8 mm· 13% | 39% | Drizzle | SW 4 mph7 km/h | |
DayPartly cloudy and warm, with a high of 81°F27°C and morning low of 71°F21°C. Breezy from the SW at 6 to 8 mph9 to 12 km/h. 11% chance of drizzle throughout the day. NightPartly cloudy, with a low around 69°F20°C. Light wind from the SW around 3 mph5 km/h. 13% chance of drizzle throughout the night. | |||||||
| TuesdaySep 15 | 82°F28°C | 68°F20°C | 0.02 in0.5 mm· 6% | 33% | Clear | WSW 4 mph7 km/h | |
DayPartly cloudy and warm, with a high of 82°F28°C and morning low of 71°F22°C. Breezy from the WSW at 5 to 8 mph9 to 12 km/h. NightPartly cloudy, with a low around 68°F20°C. Light wind from the SW around 3 mph5 km/h. | |||||||
| WednesdaySep 16 | 83°F28°C | 68°F20°C | 0.02 in0.4 mm· 5% | 29% | Clear | WSW 4 mph7 km/h | |
DayPartly cloudy and warm, with a high of 83°F28°C and morning low of 70°F21°C. Breezy from the WSW at 5 to 8 mph9 to 12 km/h. NightPartly cloudy, with a low around 68°F20°C. Light wind from the WSW around 3 mph5 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: 33.6409°N, 117.6031°W·Elevation: 289m·Timezone: America/Los_Angeles·Population: 49,324