Royston Weather Forecast, Hertfordshire SG8 5

Today 14 Sep East of England

A mostly fine and sunny start, any patches of mist or fog quickly lifting. Cloud cover gradually increases from the west and by the afternoon, rain will spread in, becoming persistent and possibly heavy at times, accompanied by strengthening winds. Maximum Temperature 18C.

Tonight 14 Sep East of England

Rain clears eastward into the evening, giving way to clearer spells. Later in the night, scattered showers move in from the west, with strong, gusty winds, especially along the coast. Minimum Temperature 11C.

Mon 15 Sep East of England

Often cloudy with occasional brighter intervals and scattered showers, which may be heavy and thundery. Strong, blustery winds up to gale force speeds likely. Maximum Temperature 19C.

Tue 16 Sep East of England

Tuesday sees a fine, sunny day with easing winds. Heavy, persistent rain arrives early Wednesday, followed by brighter conditions with widespread gale force winds. Thursday stays windy, and cloudy.

Wed 17 Sep East of England

Tuesday sees a fine, sunny day with easing winds. Heavy, persistent rain arrives early Wednesday, followed by brighter conditions with widespread gale force winds. Thursday stays windy, and cloudy.

Thu 18 Sep East of England

Tuesday sees a fine, sunny day with easing winds. Heavy, persistent rain arrives early Wednesday, followed by brighter conditions with widespread gale force winds. Thursday stays windy, and cloudy.

Fri 19 Sep East of England

Likely a continuation of the unsettled theme to begin. All areas are likely to see spells of wet and windy weather followed by drier and brighter but still showery interludes. The wettest conditions expected to be across western parts of the country. There are signs that through the course of this period, drier spells will start to become more prolonged, especially across the south and east of the country due to a greater influence of high pressure. Some wet and windy spells remain probable but these potentially more focused in the northwest. Temperatures likely around average early in this period and often feeling rather cool given unsettled conditions. Increased chance of some warmer spells later in the period.

Sat 20 Sep East of England

Likely a continuation of the unsettled theme to begin. All areas are likely to see spells of wet and windy weather followed by drier and brighter but still showery interludes. The wettest conditions expected to be across western parts of the country. There are signs that through the course of this period, drier spells will start to become more prolonged, especially across the south and east of the country due to a greater influence of high pressure. Some wet and windy spells remain probable but these potentially more focused in the northwest. Temperatures likely around average early in this period and often feeling rather cool given unsettled conditions. Increased chance of some warmer spells later in the period.

Royston Weather Forecast

Today 14 Sep East of England

Tonight 14 Sep East of England

Mon 15 Sep East of England

Tue 16 Sep East of England

Wed 17 Sep East of England

Thu 18 Sep East of England

Fri 19 Sep East of England

Sat 20 Sep East of England

Temperature Forecast Met Office

Temperature Real-Time

Chenies (Hertfordshire) Radar

National Satellite

National Synoptic

Royston Temperature Statistics

September Temperature

Rothamsted (35km)

Lowest 10 January, 2025

Average 2025

Highest 1 July, 2025

Lowest 6 August, 2025

Average August

Highest 12 August, 2025

Lowest 9 September, 2025

Average September

Highest 7 September, 2025

Climate (2020–Present)

Rothamsted (35km)

Average Low 2020–2025

Average 2020–2025

Average High 2020–2025