5-day weather forecast Sefton Oct 18, 2026

20°11° · Sunny

Weather forecast Sefton tomorrow Oct 18, 2026: sunny, temperature from 11 °C to 20 °C.

Precipitation probability 43%. Wind up to 4.19 m/s (gusts 8.89 m/s). Air humidity 55–80%, atmospheric pressure 770–773 mm Hg, UV index up to 7.9.

Sunrise 06:10
Sunset 19:11
First Quarter58% illuminated
Moonrise 11:39 · Moonset 01:44
Chart
Table

Forecast from 11 °C to 20 °C and precipitation

Temperature & Precipitation
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
Temperature (°C)131312121111111415161819201920202020191715151414
Precipitation (mm/hr)000000000.010.010.050.120.530.540.210.160.030.01000000

Cloud cover and precipitation probability

Cloud cover & Rain chance
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
Cloud cover (%)181000034981001001009980836965896686400008
Rain chance (%)98899122218171618184336192110123578810

Wind speed and direction

Wind & Wind gust
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
Wind (m/s)0.310.8111.311.391.811.811.110.50.51.112.113.193.893.814.1944.19431.811.3111
Wind gust (m/s)0.613.811.031.314.396.811.921.50.530.612.112.693.228.893.894.334.54.614.836.032.812.191.111.03
Wind direction (°)S 173°SSW 213°SW 218°SSW 212°SSW 210°SSW 212°SW 215°SW 222°WSW 240°SW 219°SE 132°ESE 105°E 100°E 98°E 92°E 86°E 82°ENE 76°ENE 73°ENE 68°ENE 63°NE 50°NNE 20°NNW 337°

Air humidity

Humidity
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
Humidity (%)757677787879787067645958596157555656596774767880

Atmospheric pressure

Pressure
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
Pressure (mm Hg)773773773772772772772773773773773773772772771770770770770770771772772772

Ultraviolet index

UV Index
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
UV Index00000000.10.50.81.42.95.97.95.35.43.61.70.60.10000

Air quality & pollen

Air quality
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
PM2.5 (µg/m³)21.522.221.420.218.516.814.513.4128.56.96.77.27.98.89.810.1109.39.511.413.21516.9
PM10 (µg/m³)2625.324.222.920.719.116.715.51511.59.58.99.710.61213.614.314.313.813.815.517.319.321.3
Ozone (O₃) (µg/m³)181412111113172330384856637074757369604939343128
NO₂ (µg/m³)25.926.626.324.922.519.917.11411.3975.44.43.73.32.72.22.95.38.912.415.819.221.9
SO₂ (µg/m³)5.34.74.44.34.54.967.48.38.17.46.665.44.94.43.93.73.84.14.65.66.97.7
CO (µg/m³)11410497949497108123130121104908175716867697687100119140154

Sefton on the map

Data Sources & Methodology

Our weather forecasts are powered by a professional weather data provider that aggregates data from national weather services, satellite observations, radar networks, and over 80,000 weather stations worldwide. Forecast data is updated multiple times daily. We convert raw data into clear summaries — wind speed in m/s, pressure in mmHg — so you can plan your day with confidence.