Ogwen Valley Ascent – Weather Forecast

Category 4

Pentir, Cymru / Wales, GB

Distance: 6.1 km
Elevation gain: 138 m

This page shows a route-based weather forecast for the Ogwen Valley Ascent cycling climb in Pentir, Cymru / Wales, GB. Unlike a simple location forecast, conditions are calculated at every point along the climb — from the base to the summit — using the actual route profile and elevation data.

You'll see hour-by-hour temperature, wind speed and direction, precipitation probability, and cloud cover adjusted for altitude. Choose your planned departure time to align the forecast with your ride.

Ogwen Valley Ascent

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Distance
6.12 km
3.8 mi
Elevation Gain
138 m
453 ft

Plan Your Ride

No breaks added. Click "Add Break" then click on the map.

Route Map

Elevation Profile

Start place details

Weather Forecast

Hourly around Tue 08 Sep 21:43

Tue
21:00 ▸ departure
dark_mode
Mainly clear
12°
Precipitation 0.0 mm
Wind 9 km/h
Tue
22:00
dark_mode
Mainly clear
11°
Precipitation 0.0 mm
Wind 9 km/h
Tue
23:00
dark_mode
Mainly clear
11°
Precipitation 0.0 mm
Wind 9 km/h
Wed
00:00
water_drop
Light rain
11°
Precipitation 0.2 mm
Wind 9 km/h

Climate Overview

Month
Day Temperature Temp Day
Night Temperature Temp Night
Sunny Days Sunny Days
Sun Hours Sun Hours
Rain Days Rain Days
Precipitation Precipitation
Humidity Humidity
UV Index UV Index
Day Length Day Length
Jan 6°C 1°C 9 3.7h 23 179 mm 75 % 2 8h 12m
Feb 7°C 3°C 14 5.5h 19 91 mm 73 % 3 9h 52m
Mar 11°C 4°C 25 8.7h 12 47 mm 70 % 4 11h 54m
Apr 14°C 6°C 24 9.7h 15 101 mm 68 % 5 14h 1m
May 16°C 8°C 27 12.2h 15 77 mm 65 % 6 15h 53m
Jun 17°C 12°C 23 10.1h 24 183 mm 67 % 7 16h 52m
Jul 19°C 13°C 26 10.8h 25 128 mm 66 % 8 16h 21m
Aug 19°C 13°C 29 11.3h 17 74 mm 68 % 7 14h 41m
Sep 15°C 10°C 20 7.7h 25 219 mm 70 % 5 12h 38m
Oct 13°C 8°C 16 5.3h 22 161 mm 72 % 4 10h 33m
Nov 10°C 6°C 12 4.1h 26 242 mm 76 % 2 8h 39m
Dec 8°C 5°C 10 4.0h 19 208 mm 77 % 2 7h 38m