5-day weather forecast Exeter Sep 18, 2026

18°10° · Overcast

Weather forecast Exeter tomorrow Sep 18, 2026: overcast, temperature from 10 °C to 18 °C.

Precipitation probability 31%. Wind up to 7.19 m/s (gusts 13.83 m/s). Air humidity 54–92%, atmospheric pressure 761–762 mm Hg, UV index up to 2.4.

Sunrise 06:54
Sunset 19:22
First Quarter53% illuminated
Moonrise 15:57 · Moonset 22:45
Chart
Table

Forecast from 10 °C to 18 °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)121110101111101011141617181716171616161616161717
Precipitation (mm/hr)0.0100000000000000000000000.01

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 (%)82051001001009910093891001001001001001001001001001001009810081
Rain chance (%)241112303130303125171514131315151517202325262622

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)4.693.812.812.3121.611.8922.113.815.195.195.896.55.566.197.197.116.816.696.315.815.5
Wind gust (m/s)11.6410.57.834.112.832.032.312.226.618.1176.817.728.429.510.2211.1112.0313.4213.6913.8313.1111.8911.61
Wind direction (°)WNW 285°WNW 290°WNW 289°W 267°W 268°W 268°WSW 256°SW 234°SW 232°WSW 250°W 262°WSW 251°WSW 247°WSW 244°SW 232°SW 234°WSW 241°WSW 237°SW 236°WSW 242°WSW 249°WSW 250°WSW 245°WSW 244°

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 (%)868687899291919284706258545662616368747883868483

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)761761761761761762762762762762762762762762762761761761761761762762762762

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 Index000000000.20.61.41.92.41.60.50.80.40.40.100000

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)5.85.85.65.86.16.36.56.46.25.86.25.75.85.85.554.84.54.13.62.63.13.44.2
PM10 (µg/m³)15.117.118.118.618.217.61817.917.417.216.316.415.315.414.713.211.110.386.44.74.85.66.5
Ozone (O₃) (µg/m³)666563636263635960636565666967666568676665605659.3
NO₂ (µg/m³)1.61.51.211.11.11.62.12.92.41.41.1111.11.41.92.73.23.23.22.72.31.9
SO₂ (µg/m³)0.20.20.10.10.10.10.20.20.30.30.30.20.20.20.20.20.20.20.20.20.20.20.20.2
CO (µg/m³)194191189188186186186184190189189190187184183184186186187188182173162147.3

Exeter 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.