Yes

you do need a jacket based on the weather in Weeki Wachee, FL, USA 1 second ago

Why? Because it's cold enough that makes you wish you had a hat, but you're still too proud to admit it!
50°F10°C & Partly Cloudy

Wind is 4 mph6 km/h from the West, gusting to 6 mph10 km/h
January 29
1am50°F10°C4 mph6 km/h WestMostly Clear
2am50°F10°C4 mph6 km/h WestMostly Clear
3am51°F10°C4 mph6 km/h WestMostly Cloudy
4am51°F11°C3 mph4 km/h NorthwestMostly Cloudy
5am52°F11°C2 mph4 km/h WestMostly Cloudy
6am53°F12°C3 mph4 km/h WestMostly Cloudy
7am54°F12°C2 mph3 km/h NorthwestMostly Cloudy
8am54°F12°C3 mph4 km/h NorthwestMostly Cloudy
9am58°F14°C3 mph5 km/h NorthwestPartly Cloudy
10am61°F16°C5 mph7 km/h NorthwestPartly Cloudy
11am64°F18°C6 mph10 km/h NorthwestMostly Cloudy
12pm65°F18°C7 mph12 km/h NorthwestMostly Cloudy
DateLowHighWindDayNight
January 2950°F10°C67°F19°C6 mph9 km/h from NorthwestMostly CloudyPartly Cloudy
January 3050°F10°C77°F25°C7 mph12 km/h from EastMostly ClearPartly Cloudy
January 3158°F15°C78°F25°C11 mph18 km/h from SouthMostly ClearMostly Cloudy
February 160°F16°C72°F22°C5 mph8 km/h from NorthMostly CloudyPartly Cloudy
February 259°F15°C74°F23°C6 mph9 km/h from NortheastMostly CloudyPartly Cloudy
February 357°F14°C76°F25°C5 mph8 km/h from NortheastMostly ClearPartly Cloudy
February 456°F13°C77°F25°C4 mph6 km/h from NortheastPartly CloudyPartly Cloudy

Yes

Low of 50°F10°C, High of 77°F25°C
Wind: 7 mph12 km/h
Precipitation: None

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