Yes
you do need a jacket based on the weather in Henley-on-Thames RG9, UK 1 second ago
Why? Because you're not freezing, but you’ll definitely start complaining if it lasts much longer!
40°F5°C & Clear
Wind is 5 mph8 km/h from the North, gusting to 9 mph15 km/h
| May 9 | ||||
| 1am | 40°F5°C | 5 mph8 km/h North | Clear | |
| 2am | 44°F6°C | 6 mph9 km/h Northeast | Mostly Clear | |
| 3am | 48°F9°C | 7 mph11 km/h Northeast | Mostly Clear | |
| 4am | 52°F11°C | 7 mph12 km/h Northeast | Mostly Clear | |
| 5am | 56°F13°C | 8 mph13 km/h Northeast | Mostly Clear | |
| 6am | 59°F15°C | 9 mph14 km/h Northeast | Clear | |
| 7am | 61°F16°C | 10 mph16 km/h East | Mostly Clear | |
| 8am | 63°F17°C | 11 mph17 km/h East | Partly Cloudy | |
| 9am | 64°F18°C | 12 mph19 km/h East | Mostly Clear | |
| 10am | 65°F18°C | 12 mph19 km/h East | Clear | |
| 11am | 65°F18°C | 12 mph19 km/h East | Clear | |
| 12pm | 64°F18°C | 12 mph19 km/h East | Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| May 8 | 40°F4°C | 65°F18°C | 10 mph16 km/h from East | Mostly Clear | Clear |
| May 9 | 45°F7°C | 69°F21°C | 10 mph17 km/h from East | Mostly Clear | Mostly Clear |
| May 10 | 51°F10°C | 73°F23°C | 12 mph19 km/h from East | Partly Cloudy | Mostly Clear |
| May 11 | 54°F12°C | 73°F23°C | 6 mph10 km/h from Southeast | Partly Cloudy | Mostly Clear |
| May 12 | 51°F11°C | 72°F22°C | 9 mph14 km/h from Northeast | Mostly Clear | Mostly Clear |
| May 13 | 48°F9°C | 69°F21°C | 8 mph12 km/h from East | Partly Cloudy | Mostly Clear |
| May 14 | 48°F9°C | 70°F21°C | 6 mph10 km/h from Northeast | Partly Cloudy | Mostly Clear |
Yes
Low of 46°F8°C, High of 69°F21°CWind: 10 mph17 km/h
Precipitation: None