Yes
you do need a jacket based on the weather in Chalfont, PA 18914, USA 1 second ago
Why? Because it's quite chilly and it's so windy, you’re practically horizontal just trying to walk!
48°F9°C & Mostly Cloudy
Wind is 11 mph17 km/h from the Southwest, gusting to 26 mph42 km/h
| March 1 | ||||
| 9am | 49°F9°C | 11 mph18 km/h Southwest | Partly Cloudy | |
| 10am | 52°F11°C | 12 mph19 km/h Southwest | Partly Cloudy | |
| 11am | 57°F14°C | 14 mph23 km/h West | Mostly Clear | |
| 12pm | 56°F13°C | 18 mph29 km/h West | Windy | |
| 1pm | 54°F12°C | 20 mph32 km/h West | Windy | |
| 2pm | 50°F10°C | 21 mph33 km/h West | Windy | |
| 3pm | 46°F8°C | 20 mph33 km/h West | Windy | |
| 4pm | 44°F7°C | 19 mph30 km/h West | Windy | |
| 5pm | 41°F5°C | 19 mph30 km/h Northwest | Windy | |
| 6pm | 38°F3°C | 17 mph27 km/h Northwest | Windy | |
| 7pm | 34°F1°C | 16 mph26 km/h Northwest | Windy | |
| 8pm | 31°F-0°C | 16 mph25 km/h Northwest | Windy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| March 1 | 23°F-5°C | 57°F14°C | 16 mph25 km/h from West | Windy | Mostly Clear |
| March 2 | 18°F-8°C | 33°F1°C | 11 mph17 km/h from Northwest | Clear | Partly Cloudy |
| March 3 | 20°F-7°C | 36°F2°C | 6 mph9 km/h from Northwest | Clear | Mostly Clear |
| March 4 | 24°F-4°C | 51°F11°C | 8 mph14 km/h from South | Mostly Cloudy | Rain |
| March 5 | 38°F3°C | 56°F13°C | 16 mph26 km/h from South | Rain | Rain |
| March 6 | 31°F-1°C | 52°F11°C | 15 mph25 km/h from West | Windy | Mostly Clear |
| March 7 | 29°F-2°C | 44°F7°C | 11 mph17 km/h from West | Mostly Cloudy | Mostly Cloudy |
Yes
Low of 19°F-8°C, High of 33°F1°CWind: 11 mph17 km/h
Precipitation: None