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Great Bristol Half Marathon 2017 weather forecast

Runners taking part in a half marathon

Sun 17 Sep 2017

The Great Bristol Half Marathon on 17 September has become a long-held tradition in the national running calendar. Over 10,000 runners take part each year, making this a must do event with an atmosphere second to none.

The course starts at Bristol's historic Harbourside, taking in views around Bristol before returning to the Harbourside for the finish.

Check the official Great Bristol Half Marathon website for more information.

You can check the weather forecast for other events through the Events calendar.

  • Cloudy 5 °C

    4 °C

  • Heavy rain 9 °C

    4 °C

  • Cloudy 7 °C

    3 °C

  • Sunny day 7 °C

    2 °C

  • Sunny intervals 7 °C

    0 °C

  • Cloudy 8 °C

    5 °C

  • Cloudy 10 °C

    6 °C

Tuesday (Tuesday 12 December 2017)
Now 09:00 10:00 11:00 12:00 13:00 14:00 15:00 16:00 17:00 18:00 19:00 20:00 21:00 22:00 23:00
Warnings
Clear night Sunny intervals Sunny intervals Sunny intervals Sunny intervals Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Overcast Light rain Light rain Light rain Light rain
<5% <5% <5% <5% <5% <5% 10% 10% <5% 10% 10% 20% 60% 70% 60% 50%
Temperature (°C)
-4 ° -2 ° 0 ° 2 ° 4 ° 4 ° 4 ° 5 ° 5 ° 5 ° 5 ° 5 ° 6 ° 6 ° 7 ° 8 °
Show detail Show detail
Feels like temperature (°C) Expand
-6 ° -4 ° -1 ° 0 ° 2 ° 2 ° 2 ° 2 ° 2 ° 2 ° 2 ° 3 ° 3 ° 3 ° 4 ° 4 °
Wind direction, speed & gust (mph) Expand
W 1 8 SSE 1 8 S 2 9 SSE 4 9 SSW 5 11 SSW 6 15 SSW 6 15 SSW 7 17 SSW 6 18 SSW 8 21 SSW 8 21 SSW 8 21 SSW 10 24 S 10 25 SSW 12 29 SSW 12 27
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) Expand
M M M G G G G G G G VG VG G M G VG
Humidity Expand
96% 92% 88% 82% 79% 81% 82% 81% 82% 83% 81% 82% 86% 91% 92% 92%
UV index Expand
1 1 1 1 1 1 1
Sunrise: 08:06 Sunset: 16:01 Moon phase: Third quarter Air pollution: 2
Wednesday (Wednesday 13 December 2017)
00:00 01:00 02:00 03:00 04:00 05:00 06:00 07:00 08:00 09:00 10:00 11:00 12:00 13:00 14:00 15:00 16:00 17:00 18:00 19:00 20:00 21:00 22:00 23:00
Warnings
Light rain Light rain Cloudy Cloudy Cloudy Cloudy Overcast Light shower night Heavy rain Heavy rain Light rain Light rain Heavy rain Heavy rain Heavy shower day Light shower day Light shower night Clear night Light shower night Light shower night Heavy shower night Light shower night Light shower night Clear night
40% 40% 10% 10% 10% 10% 20% 40% 90% 90% 60% 60% 90% 90% 60% 40% 30% 10% 50% 50% 60% 30% 30% <5%
Temperature (°C)
8 ° 8 ° 7 ° 6 ° 6 ° 6 ° 6 ° 7 ° 7 ° 7 ° 8 ° 8 ° 9 ° 8 ° 8 ° 7 ° 6 ° 6 ° 6 ° 5 ° 5 ° 4 ° 4 ° 4 °
Show detail Show detail
Feels like temperature (°C) Expand
5 ° 5 ° 4 ° 4 ° 4 ° 4 ° 5 ° 4 ° 5 ° 5 ° 5 ° 5 ° 6 ° 5 ° 5 ° 4 ° 3 ° 3 ° 2 ° 1 ° 1 ° 0 ° -1 ° 0 °
Wind direction, speed & gust (mph) Expand
WSW 11 24 W 9 20 W 9 20 W 8 18 W 7 17 WSW 6 16 WSW 5 15 SW 7 18 SW 9 21 SW 10 23 SW 11 25 SW 13 29 WSW 14 32 W 13 29 W 13 27 W 12 26 W 12 27 W 10 23 WSW 11 25 WSW 15 32 W 16 35 W 17 37 W 17 35 W 17 36
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) Expand
VG VG VG VG VG VG G G M G M G M M VG VG VG VG VG VG VG E E E
Humidity Expand
92% 92% 90% 89% 90% 88% 91% 90% 90% 91% 91% 90% 88% 85% 79% 75% 73% 75% 78% 82% 75% 73% 75% 76%
UV index Expand
1 1 1 1 1 1 1
Sunrise: 08:07 Sunset: 16:01 Moon phase: Third quarter Air pollution: 2
Thursday (Thursday 14 December 2017)
00:00 03:00 06:00 09:00 12:00 15:00 18:00 21:00
Warnings
Clear night Partly cloudy night Cloudy Cloudy Cloudy Light shower day Light rain Cloudy
10% 10% 10% 10% 20% 30% 40% 10%
Temperature (°C)
5 ° 5 ° 5 ° 5 ° 6 ° 6 ° 5 ° 5 °
Show detail Show detail
Feels like temperature (°C) Expand
0 ° 1 ° 1 ° 1 ° 2 ° 2 ° 2 ° 2 °
Wind direction, speed & gust (mph) Expand
W 16 34 W 15 32 W 15 31 WSW 13 26 WSW 14 30 W 12 24 WSW 10 20 W 9 18
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) Expand
E VG VG VG VG VG VG VG
Humidity Expand
76% 74% 75% 76% 74% 78% 84% 85%
UV index Expand
1 1 1
Sunrise: 08:08 Sunset: 16:02 Moon phase: Waning crescent Air pollution: 3
Friday (Friday 15 December 2017)
00:00 03:00 06:00 09:00 12:00 15:00 18:00 21:00
Warnings
Light shower night Cloudy Clear night Sunny day Sunny day Sunny day Clear night Clear night
30% 10% <5% <5% <5% <5% <5% <5%
Temperature (°C)
4 ° 4 ° 4 ° 4 ° 6 ° 6 ° 4 ° 3 °
Show detail Show detail
Feels like temperature (°C) Expand
1 ° 1 ° 0 ° 0 ° 3 ° 3 ° 1 ° 0 °
Wind direction, speed & gust (mph) Expand
W 9 18 WNW 9 19 NW 9 18 NW 10 18 NW 11 22 NW 10 20 NW 8 15 WNW 8 14
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) Expand
VG VG VG VG VG VG VG VG
Humidity Expand
87% 85% 86% 83% 74% 71% 79% 83%
UV index Expand
1 1 1
Sunrise: 08:09 Sunset: 16:02 Moon phase: Waning crescent Air pollution: 2
Saturday (Saturday 16 December 2017)
00:00 03:00 06:00 09:00 12:00 15:00 18:00 21:00
Warnings
Clear night Clear night Clear night Sunny intervals Sunny intervals Sunny intervals Clear night Clear night
<5% <5% <5% <5% <5% <5% <5% <5%
Temperature (°C)
2 ° 2 ° 2 ° 2 ° 6 ° 6 ° 4 ° 2 °
Show detail Show detail
Feels like temperature (°C) Expand
-1 ° -1 ° -1 ° -1 ° 3 ° 4 ° 1 ° 0 °
Wind direction, speed & gust (mph) Expand
WNW 8 14 WNW 7 13 WNW 7 13 W 6 11 WNW 7 14 WNW 7 14 WNW 6 10 WNW 5 8
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) Expand
VG VG VG G VG VG VG G
Humidity Expand
86% 87% 89% 89% 80% 79% 87% 91%
UV index Expand
1 1 1
Sunrise: 08:10 Sunset: 16:02 Moon phase: Waning crescent Air pollution: 2
Sunday (Sunday 17 December 2017)
00:00 03:00 06:00 09:00 12:00 15:00 18:00 21:00
Warnings
Clear night Partly cloudy night Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy
<5% <5% 10% 10% 20% 20% 20% 10%
Temperature (°C)
1 ° 1 ° 1 ° 3 ° 6 ° 8 ° 7 ° 8 °
Show detail Show detail
Feels like temperature (°C) Expand
-1 ° -1 ° -1 ° 1 ° 4 ° 5 ° 5 ° 5 °
Wind direction, speed & gust (mph) Expand
W 4 6 WSW 4 6 SSW 4 7 SSW 6 10 SSW 9 16 SW 10 18 WSW 9 16 WSW 8 15
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) Expand
G G G G G G G G
Humidity Expand
94% 95% 95% 94% 88% 90% 93% 93%
UV index Expand
1 1 1
Sunrise: 08:11 Sunset: 16:02 Moon phase: New
Monday (Monday 18 December 2017)
00:00 03:00 06:00 09:00 12:00 15:00 18:00 21:00
Warnings
Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Overcast
10% 10% 10% 10% 10% 10% 10% 10%
Temperature (°C)
7 ° 7 ° 7 ° 7 ° 9 ° 9 ° 9 ° 8 °
Show detail Show detail
Feels like temperature (°C) Expand
5 ° 5 ° 5 ° 5 ° 7 ° 7 ° 7 ° 6 °
Wind direction, speed & gust (mph) Expand
W 8 13 WSW 7 12 WSW 6 11 WSW 6 12 WSW 7 14 WSW 8 15 SW 8 15 SSW 9 16
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) Expand
G G G G G G G G
Humidity Expand
93% 94% 94% 94% 91% 91% 94% 94%
UV index Expand
1 1 1
Sunrise: 08:11 Sunset: 16:02 Moon phase: New
< Bristol last 24 hours Issued at:

17 September - Will you be cheering on the Great Bristol Half Marathon competitors? Check the weather forecast.

Weather for runners

Runners will be looking for a fine day to help them get around the course. A mild, but not hot, day with a light breeze will be wanted by both runners and spectators alike.

Back to the events calendar.

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