worldweather

Weather in Bristol - 14-day forecast

Detailed weather forecast for Bristol, United Kingdom: daytime and night temperature, rain, sunrise and sunset - today and for the next two weeks.
Forecast for the next days in Bristol
today🌤️ 20°💧 0.3 mm
Sun☁️ 25°💧 2 mm
Mon🌧️ 18°💧 0.8 mm
Tue🌧️ 17°💧 7.6 mm
Wed🌤️ 17°💧 6.2 mm
Thu🌧️ 20°💧 1.5 mm
Fri🌧️ 19°💧 0.1 mm
Sat🌧️ 14°💧 7.5 mm
Forecast vs 1991-2020 climate normal

How does the current forecast compare with normal?

We compare the coming days with weather usually observed at this time of year.

NASA POWER

Sunday 6 Sept in Bristol, the forecast high is 25°C. Typical daytime temperatures at this time of year range from 18°C to 22°C, so it will be exceptionally warm. It is warmer than 95% of similar days.

20°Cnear normal
usually 18°C–22°C
night: exceptionally warm rain: typical rainfall wind: typical
25°Cexceptionally warm
usually 18°C–22°C
warmer than 95% of similar days
night: exceptionally warm rain: more rain than usual wind: typical
18°Ccooler than usual
usually 18°C–22°C
cooler than 70% of similar days
night: exceptionally warm rain: typical rainfall wind: typical
17°Ccooler than usual
usually 17°C–22°C
cooler than 81% of similar days
night: warmer than usual rain: exceptionally wet wind: stronger than usual
17°Ccooler than usual
usually 17°C–22°C
cooler than 85% of similar days
night: warmer than usual rain: exceptionally wet wind: typical
20°Cnear normal
usually 17°C–22°C
night: exceptionally warm rain: more rain than usual wind: typical
19°Cnear normal
usually 17°C–22°C
night: warmer than usual rain: typical rainfall wind: typical

How warm was this week in previous years?

Each bar shows the average daily high during the same 7-day period in each year.

swipe to see more years →
10°20°30° 1981: 22°C1982: 20°C1983: 18°C1984: 18°C1985: 19°C1986: 17°C1987: 19°C1988: 21°C1989: 21°C1990: 20°C1991: 23°C1992: 17°C1993: 18°C1994: 17°C1995: 19°C1996: 20°C1997: 20°C1998: 19°C1999: 23°C2000: 22°C2001: 18°C2002: 19°C2003: 19°C2004: 24°C2005: 22°C2006: 24°C2007: 21°C2008: 18°C2009: 20°C2010: 20°C2011: 19°C2012: 20°C2013: 17°C2014: 21°C2015: 19°C2016: 22°C2017: 18°C2018: 20°C2019: 18°C2020: 19°C2021: 24°C2022: 21°C2023: 27°C2024: 19°C2025: 20°C 2026 forecast: 20°C current forecast 20°C 198119902000201020202026
cooler yearstypical rangewarmer years2026 forecastcurrent forecast

From 1981 to 2025, the 5-11 Sept period averaged 20°C by day. The coolest year was 1994 (17°C) and the warmest was 2023 (27°C). The current forecast averages 20°C - close to the historical median.

Historical reference: NASA POWER daily gridded data (MERRA-2), the 1991-2020 normal and a +/- 7-day calendar window. The typical range is the 20th-80th percentile. This is not a city weather-station reading and does not change the current forecast. NASA POWER Daily API.

14-day forecast - Bristol

Bristol - 14-day weather forecast infographic

Bristol 30 & 45-day weather - long-range outlook

Next 16 days · forecast
19°
around 15° at night · days with rain: 7
Weeks 3-4 · avg for September
17°
around 10° at night · rain chance 48%
Weeks 5-7 · avg for October
14°
around 8° at night · rain chance 63%
The 30 & 45-day outlook for Bristol: the next 16 days are a numerical forecast updated daily - on average 19° by day and 15° at night. Further out we rely on multi-year climate averages: around 17° in September, and about 14° in October. Forecasts beyond two weeks are indicative only.

Day-by-day forecast for Bristol

Saturday5 September 2026
🌤️20°scattered clouds
sunrise 06:29 · sunset 19:49 · night 15° · evening 19° · rain 0.3 mm · humidity 53% · wind 5 m/s · clouds 43%
Sunday6 September 2026
☁️25°broken clouds
sunrise 06:30 · sunset 19:46 · night 17° · evening 22° · rain 1.95 mm · humidity 40% · wind 6 m/s · clouds 59%
Monday7 September 2026
🌧️18°light rain
sunrise 06:32 · sunset 19:44 · night 15° · evening 17° · rain 0.78 mm · humidity 60% · wind 7 m/s · clouds 100%
Tuesday8 September 2026
🌧️17°moderate rain
sunrise 06:33 · sunset 19:42 · night 13° · evening 14° · rain 7.61 mm · humidity 63% · wind 9 m/s · clouds 15%
Wednesday9 September 2026
🌤️17°a few clouds
sunrise 06:35 · sunset 19:40 · night 13° · evening 15° · rain 6.15 mm · humidity 50% · wind 7 m/s · clouds 16%
Thursday10 September 2026
🌧️20°light rain
sunrise 06:37 · sunset 19:37 · night 15° · evening 17° · rain 1.47 mm · humidity 63% · wind 7 m/s · clouds 100%
Friday11 September 2026
🌧️19°light rain
sunrise 06:38 · sunset 19:35 · night 13° · evening 16° · rain 0.12 mm · humidity 50% · wind 7 m/s · clouds 31%
Saturday12 September 2026
🌧️14°light rain
sunrise 06:40 · sunset 19:33 · night 12° · evening 12° · rain 7.47 mm · humidity 89% · wind 3 m/s · clouds 100%
Sunday13 September 2026
🌧️19°light rain
sunrise 06:41 · sunset 19:30 · night 13° · evening 16° · rain 0.24 mm · humidity 50% · wind 6 m/s · clouds 19%
Monday14 September 2026
☀️19°clear sky
sunrise 06:43 · sunset 19:28 · night 14° · evening 17° · rain 6.27 mm · humidity 37% · wind 3 m/s · clouds 3%
Tuesday15 September 2026
🌤️20°scattered clouds
sunrise 06:45 · sunset 19:26 · night 14° · evening 16° · rain 0.12 mm · humidity 46% · wind 5 m/s · clouds 40%
Wednesday16 September 2026
🌧️19°light rain
sunrise 06:46 · sunset 19:23 · night 16° · evening 17° · rain 1.62 mm · humidity 72% · wind 7 m/s · clouds 89%
Thursday17 September 2026
🌧️20°light rain
sunrise 06:48 · sunset 19:21 · night 15° · evening 17° · rain 0.42 mm · humidity 55% · wind 8 m/s · clouds 96%
Friday18 September 2026
🌧️20°light rain
sunrise 06:49 · sunset 19:19 · night 20° · evening 20° · rain 0.84 mm · humidity 81% · wind 10 m/s · clouds 100%
Saturday19 September 2026
🌧️19°light rain
sunrise 06:51 · sunset 19:17 · night 14° · evening 15° · rain 0.54 mm · humidity 84% · wind 8 m/s · clouds 100%
Sunday20 September 2026
🌧️19°light rain
sunrise 06:53 · sunset 19:14 · night 18° · evening 18° · rain 0.45 mm · humidity 74% · wind 5 m/s · clouds 95%

UV index in Bristol - is it safe to sunbathe?

UV INDEX · 16-DAY FORECASTBristol03681111+3.8UV MODERATEtoday, daily maxSeek shade around midday. SPF 30+, sunglasses and ahat for longer stays.Unprotected fair skin may burn in about 55 min4Sat5.094Sun6.094Mon7.095Tue8.095Wed9.094Thu10.092Fri11.092Sat12.094Sun13.095Mon14.095Tue15.094Wed16.094Thu17.093Fri18.094Sat19.094Sun20.090-2 low3-5 moderate6-7 high8-10 very high11+ extremeworld-prices.com · 2026-09-05
Today the UV index in Bristol is 4 (moderate) - unprotected fair skin can burn in about 55 minutes. Seek shade around midday. SPF 30+, sunglasses and a hat for longer stays.

Sea temperature - Bristol

Water today
20°C
Week avg
20°C
Waves today
0.1 m
How's the water?
brisk
16-day sea temperature forecast:
5.09 20°C6.09 20°C7.09 20°C8.09 20°C9.09 20°C10.09 20°C11.09 19°C12.09 19°C13.09 19°C
Average sea temperature through the year:
Jan 6°CFeb 6°CMar 8°CApr 12°CMay 16°CJun 19°CJul 21°CAug 21°CSep 18°COct 14°CNov 11°CDec 8°C
Sea-surface temperature from marine models, updated daily. See also: where the sea is warmest right now.

Air quality and smog in Bristol

Air quality in Bristol is currently very good. Fine particulate PM2.5: 3.8 µg/m³, PM10: 12 µg/m³.
CityPM2.5 (µg/m³)PM10 (µg/m³)Air quality
Bristol3.812very good
Based on PM2.5 thresholds. Station readings, updated daily (last reading: 2026-09-05, 02:00).

Bristol weather through the year

Bristol - annual climate

Warmest, driest months on average: May, June, July, August.

Upcoming public holidays in United Kingdom: Christmas Day — 25 December · Boxing Day — 28 December · New Year's Day — 1 January.

Nearby and related places

CardiffCoventryYorkSheffieldJerseyNewcastle

FAQ - Bristol weather

What is the weather like in Bristol today?
Today it is about 20° during the day and 15° at night, scattered clouds.
How far ahead can I check the forecast for Bristol?
This page shows a detailed 14-day forecast plus the long-term monthly climate, so you can plan both a short trip and a holiday months ahead.