Gloucestershire Evening & Overnight Weather Outlook: Tuesday, September 22, 2026

As we wrap up a mild late-September afternoon across the county, high pressure continues to maintain a strong grip on our weather patterns. According to the latest Met Office forecasts, here is your detailed regional report for this evening and overnight.

General County Overview

Evening Conditions:

Expect clear spells and lingering late sunshine to fade dusk-ward, giving way to dry conditions across most areas initially.

Overnight Progression:

Cloud cover will gradually increase from the west as the night progresses, though it will stay largely dry for the majority of the county until dawn.

Temperatures:

A comfortable, albeit progressively cooler, night ahead. Minimum temperatures will drop back to a refreshing low of 9°C to 11°C in rural pockets, and around 12°C to 14°C in urban spots and lower vales.

Winds & Hazards:

Light to moderate winds easing down overnight, with a minor risk of isolated mist or patchy fog forming in prone river valleys by early Wednesday morning. No weather warnings are currently in force.

Area-by-Area Breakdown

Gloucester & Central Vale Evening:

Fine and dry with clear skies as twilight sets in, following a peak afternoon high of around 20°C to 21°C.

Overnight: Turning cloudier by the middle of the night. Minimum temperatures resting around a mild 11°C to 13°C, keeping it comfortable indoors and out.

Cheltenham & The Cotswolds Evening:

Clear intervals giving way to a calm, tranquil evening across higher ground.

Overnight: Noticeably cooler across the hills and exposed rural areas of the east, with lows dipping to around 9°C. A slight chance of patchy mist developing in sheltered hollows towards dawn.

Forest of Dean & West Gloucestershire Evening:

Remaining dry and calm following the pleasant afternoon highs.

Overnight: Cloud thickening from the west later in the night. Temperatures falling back to around 10°C to 12°C, under light and variable winds.

Tewkesbury & North Gloucestershire Evening:

Settled and clear early on with temperatures sliding steadily after sunset.

Overnight: Dry with variable cloud cover filling in overnight. Expect overnight lows around 10°C to 11°C, setting up a quiet and calm start for Wednesday morning.

Stay tuned for further updates as we track the transition into mid-week!