No
you don't need a jacket based on the weather in San Marcos, CA, USA 1 second ago
79°F26°C & Clear
Wind is 2 mph4 km/h from the E, gusting to 4 mph6 km/h
| September 8 | ||||
| 3am | 79°F26°C | 3 mph4 km/h E | Clear | |
| 4am | 79°F26°C | 3 mph4 km/h E | Clear | |
| 5am | 78°F25°C | 3 mph4 km/h E | Clear | |
| 6am | 76°F25°C | 3 mph4 km/h E | Clear | |
| 7am | 76°F24°C | 3 mph4 km/h E | Clear | |
| 8am | 75°F24°C | 3 mph5 km/h E | Clear | |
| 9am | 74°F23°C | 4 mph6 km/h E | Clear | |
| 10am | 75°F24°C | 4 mph6 km/h E | Clear | |
| 11am | 81°F27°C | 3 mph4 km/h E | Clear | |
| 12pm | 89°F32°C | 2 mph3 km/h NW | Clear | |
| 1pm | 95°F35°C | 3 mph6 km/h W | Clear | |
| 2pm | 98°F37°C | 6 mph9 km/h W | Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| September 7 | 71°F22°C | 98°F37°C | 3 mph5 km/h from W | Mostly Clear | Clear |
| September 8 | 74°F23°C | 101°F38°C | 6 mph9 km/h from W | Clear | Clear |
| September 9 | 72°F22°C | 96°F36°C | 6 mph9 km/h from W | Clear | Clear |
| September 10 | 66°F19°C | 89°F32°C | 6 mph10 km/h from W | Clear | Mostly Clear |
| September 11 | 61°F16°C | 79°F26°C | 6 mph10 km/h from SW | Mostly Clear | Mostly Clear |
| September 12 | 59°F15°C | 78°F26°C | 7 mph12 km/h from SW | Mostly Clear | Partly Cloudy |
| September 13 | 59°F15°C | 78°F25°C | 6 mph10 km/h from SW | Mostly Clear | Mostly Clear |
No
Low of 74°F24°C, High of 100°F38°CWind: 6 mph9 km/h
Precipitation: 43% rain