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Live forecasts update automatically; written guidance last reviewed 16 June 2026 by the Public Journal weather desk. Data from national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
Slough faces a damp and cloudy day according to the live forecast above, with rain likely through the morning and temperatures staying mild. The outlook for the Thames Valley area remains unsettled into the week.
What is the weather in Slough tomorrow?
Tomorrow’s forecast for Slough, just west of London and close to the M4 corridor, shows a mixture of sunshine and showers. Overnight lows will be around the single figures, with daytime highs similar to today. The weather in Slough tomorrow is expected to see the best of the brightness during the middle of the day, so plan outdoor activities accordingly. For other parts of the country, visit our UK weather hub.
How does the 14-day outlook look?
Looking further ahead, the BBC weather Slough 14 days forecast suggests a gradual return to more settled conditions by the end of the month. However, there is still uncertainty around the weekend’s rainfall totals. For those needing a longer view, the Met Office weather Slough 21‑day outlook indicates below‑average temperatures for the time of year.
Will it rain in Slough this week?
Rain is likely on Tuesday and Wednesday, with drier spells possibly arriving by Friday. The BBC weather Slough SL2 area forecast shows the heaviest band of rain clearing by Thursday morning.
How accurate is the BBC weather forecast for Slough?
The three‑day forecast for Slough is generally reliable, with accuracy above 80% for temperature and rain timing. Beyond five days, confidence decreases, so check updates daily.
What is the weather in Slough for the next 21 days?
The 21‑day weather Slough outlook from the Met Office suggests a trend toward cooler and drier weather after a wet start. However, long‑range forecasts should be treated as indicative rather than precise.