Yes
you do need a jacket based on the weather in Jerome, ID 83338, USA 1 second ago
Why? Because the drizzle is not enough rain to call it "raining," but enough to make you a little soggy and the cold's there, but it's just a reminder, not an invasion and it's fairly windy outside!
46°F8°C & Drizzle
Wind is 13 mph21 km/h from the West, gusting to 22 mph35 km/h
| May 18 | ||||
| 3am | 46°F8°C | 13 mph22 km/h West | Drizzle | |
| 4am | 45°F7°C | 15 mph24 km/h West | Cloudy | |
| 5am | 44°F7°C | 17 mph27 km/h West | Drizzle | |
| 6am | 44°F6°C | 19 mph31 km/h West | Windy | |
| 7am | 43°F6°C | 21 mph34 km/h West | Windy | |
| 8am | 42°F5°C | 24 mph38 km/h West | Windy | |
| 9am | 41°F5°C | 24 mph39 km/h West | Windy | |
| 10am | 41°F5°C | 26 mph42 km/h West | Windy | |
| 11am | 43°F6°C | 28 mph44 km/h West | Windy | |
| 12pm | 45°F7°C | 29 mph46 km/h West | Windy | |
| 1pm | 47°F8°C | 29 mph47 km/h West | Windy | |
| 2pm | 49°F10°C | 30 mph48 km/h West | Windy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| May 18 | 41°F5°C | 55°F13°C | 28 mph46 km/h from West | Windy | Windy |
| May 19 | 36°F2°C | 60°F16°C | 16 mph26 km/h from West | Windy | Mostly Clear |
| May 20 | 41°F5°C | 62°F17°C | 14 mph22 km/h from West | Mostly Clear | Clear |
| May 21 | 39°F4°C | 69°F20°C | 7 mph11 km/h from West | Mostly Clear | Partly Cloudy |
| May 22 | 45°F7°C | 73°F23°C | 10 mph16 km/h from West | Clear | Clear |
| May 23 | 45°F7°C | 78°F25°C | 7 mph12 km/h from Southwest | Partly Cloudy | Mostly Clear |
| May 24 | 49°F10°C | 75°F24°C | 14 mph22 km/h from West | Partly Cloudy | Mostly Clear |
Yes
Low of 36°F2°C, High of 60°F16°CWind: 16 mph26 km/h
Precipitation: None