Today's Weather Forecast - Bristol

Today's weather in Bristol. high 20°C (68°F), low 15°C (59°F). Overcast.

Today’s Hourly Weather Outlook

Morning6 AM – Noon16°
Wind speed
11 km/h
Rain probability
6%
AfternoonNoon – 6 PM20°
Wind speed
14 km/h
Rain probability
18%
Evening6 PM – Midn17°
Wind speed
14 km/h
Rain probability
0%
NightMidn – 6 AM16°
Wind speed
13 km/h
Rain probability
90%

24-Hour Rain & Temperature Forecast

Sunrise & Sunset

Sunrise
Dawn 6:08 AM
Total Daylight
67% of day elapsedSolar noon 1:06 PM
Sunset
Dusk 8:04 PM
Remaining4h 19m
Solar elevation36°
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
10μg/m³
O₃
23.6ppb
NO₂
2.3ppb
SO₂
0.3ppb
CO
1.5ppm
0Good → Hazardous300+

5-Day Weather Forecast

Full 15-Day Forecast

Weather Insight

Bristol is forecast to reach a high of 20°C today, with an overnight low around 15°C. That's 1° above the long-term average high of 19°C for this time of year. It continues a recent pattern — 23 of the last 28 days with published data have run warmer than normal. Expect a high chance of rain (90% probability) and a gentle breeze averaging 14 km/h. Air quality is currently good (AQI 23), with no notable outdoor health concerns.

Today vs Normal

20°C+1° above normal

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

23 of the last 28 days with published data ran above normal.

It continues that pattern - today's forecast is also running above normal.

2026-08-28: 23°C23°2026-08-29: 22°C22°2026-08-30: 22°C22°2026-08-31: 21°C21°2026-09-01: 22°C22°2026-09-02: 20°C20°2026-09-03: 23°C23°2026-09-04: 19°C19°2026-09-05: 21°C21°2026-09-06: 26°C26°2026-09-07: 19°C19°2026-09-08: 19°C19°

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.