Today's Weather Forecast - Bristol

Today's weather in Bristol. high 19°C (66°F), low 11°C (52°F). Overcast.

Today’s Hourly Weather Outlook

Morning6 AM – Noon13°
Wind speed
15 km/h
Rain probability
0%
AfternoonNoon – 6 PM19°
Wind speed
23 km/h
Rain probability
9%
Evening6 PM – Midn17°
Wind speed
19 km/h
Rain probability
84%
NightMidn – 6 AM13°
Wind speed
5 km/h
Rain probability
0%

24-Hour Rain & Temperature Forecast

Sunrise & Sunset

Sunrise
Dawn 6:07 AM
Total Daylight
Day completeSolar noon 1:06 PM
Sunset
Dusk 8:06 PM
RemainingDaylight ended
Solar elevation-27°
vs yesterday-6 min

Air Quality Index & Health Advice

Air Quality Index

Air quality level
Good
Dominant pollutant
Dominant: O3
Monitoring station
Bristol St Paul's, United Kingdom
PM2.5
17μg/m³
PM10
13μg/m³
O₃
23.6ppb
NO₂
3.7ppb
SO₂
0.3ppb
CO
1.4ppm
0Good → Hazardous300+

5-Day Weather Forecast

Full 15-Day Forecast

Weather Insight

Bristol is forecast to reach a high of 19°C today, with an overnight low around 11°C. Expect a high chance of rain (84% probability) and moderate breezes averaging 23 km/h. Air quality is currently good (AQI 30), with no notable outdoor health concerns.

Today vs Normal

19°C0° below normal

The long-term average high for today is 19°C.

19 of the last 20 days with published data ran above normal.

That's a break from the pattern - today's forecast runs below normal even though the recent stretch mostly ran above.

2026-08-19: 23°C23°2026-08-20: 21°C21°2026-08-21: 20°C20°2026-08-22: 22°C22°2026-08-23: 24°C24°2026-08-24: 23°C23°2026-08-25: 27°C27°2026-08-26: 27°C27°2026-08-27: 24°C24°2026-08-28: 23°C23°2026-08-29: 22°C22°2026-08-30: 22°C22°

Red = above normal, blue = at or below · last 12 days

Air Quality

Air Quality
Good

Air quality is considered satisfactory, and air pollution poses little or no risk. It’s a good day to be active outside.