No

you don't need a jacket based on the weather in San Diego, CA, USA 5 minutes ago

70°F21°C & Mostly Clear

Wind is 2 mph3 km/h from the Northeast, gusting to 4 mph6 km/h
August 26
2am70°F21°C3 mph5 km/h EastMostly Clear
3am69°F21°C2 mph4 km/h NorthMostly Clear
4am69°F20°C2 mph3 km/h NorthwestMostly Clear
5am68°F20°C2 mph3 km/h SouthMostly Clear
6am68°F20°C3 mph4 km/h EastMostly Clear
7am67°F20°C2 mph3 km/h NorthMostly Clear
8am67°F19°C2 mph3 km/h NortheastMostly Clear
9am68°F20°C1 mph2 km/h NorthwestMostly Clear
10am68°F20°C2 mph3 km/h NorthwestMostly Clear
11am70°F21°C2 mph4 km/h WestPartly Cloudy
12pm72°F22°C3 mph5 km/h WestMostly Clear
1pm75°F24°C4 mph7 km/h WestMostly Clear
DateLowHighWindDayNight
August 2569°F20°C77°F25°C4 mph7 km/h from SouthwestPartly CloudyMostly Clear
August 2667°F19°C79°F26°C6 mph9 km/h from WestMostly ClearMostly Clear
August 2768°F20°C82°F28°C6 mph9 km/h from WestPartly CloudyCloudy
August 2869°F21°C82°F28°C5 mph9 km/h from WestMostly CloudyPartly Cloudy
August 2970°F21°C84°F29°C6 mph10 km/h from NorthwestMostly ClearClear
August 3070°F21°C84°F29°C5 mph8 km/h from WestClearClear
August 3169°F21°C84°F29°C5 mph9 km/h from WestClearClear

No

Low of 67°F20°C, High of 79°F26°C
Wind: 6 mph9 km/h
Precipitation: None

Support This Page