Yes

you do need a jacket based on the weather in Eastvale, CA, USA 1 second ago

Why? Because it's so windy, even the squirrels are holding onto branches for dear life!
83°F28°C & Clear

Wind is 14 mph22 km/h from the West, gusting to 21 mph34 km/h
July 5
10pm81°F27°C14 mph22 km/h WestClear
11pm76°F24°C11 mph18 km/h WestClear
July 6
12am71°F22°C9 mph14 km/h WestClear
1am69°F20°C5 mph8 km/h WestClear
2am66°F19°C3 mph5 km/h WestClear
3am65°F18°C2 mph4 km/h NorthwestClear
4am63°F17°C3 mph4 km/h WestClear
5am62°F17°C2 mph3 km/h SouthwestClear
6am61°F16°C2 mph3 km/h SouthClear
7am60°F15°C2 mph3 km/h SouthClear
8am59°F15°C1 mph2 km/h SouthClear
9am58°F15°C2 mph3 km/h SoutheastMostly Clear
DateLowHighWindDayNight
July 560°F16°C92°F33°C7 mph12 km/h from WestClearClear
July 658°F14°C91°F33°C7 mph11 km/h from WestClearClear
July 758°F15°C91°F33°C7 mph11 km/h from WestClearClear
July 860°F16°C95°F35°C7 mph11 km/h from WestMostly ClearMostly Clear
July 966°F19°C97°F36°C6 mph10 km/h from WestClearMostly Clear
July 1067°F19°C99°F37°C6 mph10 km/h from WestClearClear
July 1166°F19°C92°F34°C7 mph11 km/h from WestClearClear

Yes

Low of 58°F15°C, High of 91°F33°C
Wind: 7 mph11 km/h
Precipitation: None

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