Yes
you do need a jacket based on the weather in Chalfont, PA 18914, USA 23 minutes ago
Why? Because the temperature has dropped below freezing and it's really really huffing out there!
30°F-1°C & Clear
Wind is 11 mph18 km/h from the Northwest, gusting to 32 mph52 km/h
| January 30 | ||||
| 12am | 30°F-1°C | 12 mph19 km/h Northwest | Clear | |
| 1am | 29°F-2°C | 13 mph21 km/h Northwest | Clear | |
| 2am | 28°F-2°C | 13 mph21 km/h Northwest | Clear | |
| 3am | 27°F-3°C | 13 mph21 km/h Northwest | Clear | |
| 4am | 26°F-3°C | 11 mph18 km/h Northwest | Clear | |
| 5am | 25°F-4°C | 9 mph14 km/h Northwest | Clear | |
| 6am | 23°F-5°C | 6 mph10 km/h Northwest | Clear | |
| 7am | 23°F-5°C | 5 mph8 km/h West | Clear | |
| 8am | 24°F-5°C | 5 mph8 km/h West | Clear | |
| 9am | 26°F-3°C | 7 mph11 km/h West | Clear | |
| 10am | 29°F-2°C | 7 mph12 km/h West | Clear | |
| 11am | 32°F-0°C | 7 mph12 km/h West | Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| January 29 | 29°F-2°C | 49°F9°C | 7 mph11 km/h from West | Mostly Clear | Mostly Clear |
| January 30 | 23°F-5°C | 39°F4°C | 6 mph10 km/h from West | Mostly Clear | Drizzle |
| January 31 | 33°F0°C | 47°F8°C | 7 mph12 km/h from Southwest | Rain | Rain |
| February 1 | 22°F-5°C | 44°F7°C | 10 mph17 km/h from Northwest | Clear | Mostly Clear |
| February 2 | 19°F-7°C | 38°F3°C | 7 mph11 km/h from Southeast | Cloudy | Cloudy |
| February 3 | 32°F0°C | 53°F11°C | 8 mph13 km/h from West | Mostly Cloudy | Partly Cloudy |
| February 4 | 29°F-2°C | 42°F6°C | 8 mph13 km/h from Northwest | Mostly Clear | Partly Cloudy |
Yes
Low of 23°F-5°C, High of 38°F4°CWind: 6 mph10 km/h
Precipitation: None