Yes
you do need a jacket based on the weather in Tempe, AZ, USA 1 second ago
Why? Because just cool enough for a jacket, but not warm enough to ditch it!
51°F10°C & Clear
Wind is 3 mph5 km/h from the Northwest, gusting to 5 mph8 km/h
| January 18 | ||||
| 12am | 51°F10°C | 3 mph5 km/h Northwest | Clear | |
| 1am | 49°F9°C | 4 mph6 km/h Northeast | Clear | |
| 2am | 47°F8°C | 4 mph6 km/h Northeast | Clear | |
| 3am | 45°F7°C | 2 mph4 km/h East | Clear | |
| 4am | 43°F6°C | 3 mph5 km/h East | Clear | |
| 5am | 42°F6°C | 3 mph5 km/h East | Clear | |
| 6am | 41°F5°C | 3 mph6 km/h East | Clear | |
| 7am | 41°F5°C | 3 mph5 km/h East | Clear | |
| 8am | 40°F5°C | 3 mph5 km/h East | Clear | |
| 9am | 40°F4°C | 3 mph5 km/h East | Clear | |
| 10am | 40°F4°C | 3 mph5 km/h East | Clear | |
| 11am | 44°F7°C | 3 mph5 km/h East | Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| January 17 | 47°F8°C | 65°F18°C | 2 mph3 km/h from Southwest | Clear | Clear |
| January 18 | 39°F4°C | 63°F17°C | 3 mph5 km/h from Southwest | Clear | Clear |
| January 19 | 39°F4°C | 63°F17°C | 3 mph5 km/h from Northeast | Clear | Clear |
| January 20 | 38°F3°C | 64°F18°C | 5 mph8 km/h from North | Clear | Clear |
| January 21 | 36°F2°C | 63°F17°C | 5 mph7 km/h from Northeast | Mostly Clear | Partly Cloudy |
| January 22 | 35°F2°C | 65°F18°C | 3 mph4 km/h from West | Mostly Clear | Mostly Clear |
| January 23 | 42°F5°C | 70°F21°C | 6 mph10 km/h from North | Mostly Clear | Mostly Clear |
Yes
Low of 39°F4°C, High of 64°F18°CWind: 3 mph5 km/h
Precipitation: None