Sithney Weather Forecast, Cornwall TR13 0

Today 13 Aug South West England

A grey start, but soon turning brighter for most with sunny periods and becoming very warm by midday. Not as hot as previous days. Very isolated late-afternoon or evening showers in the very far southwest. Maximum Temperature 24C.

Tonight 13 Aug South West England

Some late sunshine possible during Wednesday evening, mostly in the east, then a mixture of clear spells and patchy low cloud overnight. This cloud may bring an isolated light shower, but most should remain dry. A mild night. Minimum Temperature 14C.

Thu 14 Aug South West England

Variable amounts of cloud to start Thursday; this clearing to provide lengthier sunny spells in the afternoon. Dry for most, but isolated light showers in the north initially. Feeling warm. Maximum Temperature 25C.

Fri 15 Aug South West England

A largely settled end to the week with sunny spells after early morning cloud clears. Warm in the sunshine, though also turning windier. Showers possible in the west on Sunday.

Sat 16 Aug South West England

A largely settled end to the week with sunny spells after early morning cloud clears. Warm in the sunshine, though also turning windier. Showers possible in the west on Sunday.

Sun 17 Aug South West England

A largely settled end to the week with sunny spells after early morning cloud clears. Warm in the sunshine, though also turning windier. Showers possible in the west on Sunday.

Mon 18 Aug South West England

High pressure will be dominant across much of the UK at the start of this period. This will bring a good deal of fine and dry weather with spells of sunshine for many. Any showers will probably be confined to the southwest of the UK but could be heavy and thundery. Temperatures are likely to be well above normal, especially in the south. Later, it will likely become more changeable with some showers or longer spells of rain at times. Rainfall is expected to be highest in the south where some heavy, thundery showers are possible, with drier conditions further north. Some periods of dry and settled weather are also likely to develop at times. Temperatures are expected to be above normal.

Tue 19 Aug South West England

High pressure will be dominant across much of the UK at the start of this period. This will bring a good deal of fine and dry weather with spells of sunshine for many. Any showers will probably be confined to the southwest of the UK but could be heavy and thundery. Temperatures are likely to be well above normal, especially in the south. Later, it will likely become more changeable with some showers or longer spells of rain at times. Rainfall is expected to be highest in the south where some heavy, thundery showers are possible, with drier conditions further north. Some periods of dry and settled weather are also likely to develop at times. Temperatures are expected to be above normal.

Sithney Weather Forecast

Today 13 Aug South West England

Tonight 13 Aug South West England

Thu 14 Aug South West England

Fri 15 Aug South West England

Sat 16 Aug South West England

Sun 17 Aug South West England

Mon 18 Aug South West England

Tue 19 Aug South West England

Temperature Forecast Met Office

Temperature Real-Time

Predannack (Cornwall) Radar

National Satellite

National Synoptic

Sithney Temperature Statistics

August Temperature

Culdrose (4km)

Lowest 2 January, 2025

Average 2025

Highest 11 July, 2025

Lowest 3 July, 2025

Average July

Highest 11 July, 2025

Lowest 6 August, 2025

Average August

Highest 10 August, 2025

Climate (2020–Present)

Culdrose (4km)

Average Low 2020–2025

Average 2020–2025

Average High 2020–2025