The 10 day weather forecast for Horsham, updated every hour, on Monday the 18th of May 2026, at 7.30am, is below.

Mon
18 May

Showers
High 14°C
Low 9°C
Chance
of rain
Rain drop
Tue
19 May

Showers
High 16°C
Low 11°C
Chance
of rain
50%
Wed
20 May

Rain
High 17°C
Low 10°C
Chance
of rain
Rain drop
Thu
21 May

AM Rain
High 21°C
Low 12°C
Chance
of rain
88%
Fri
22 May

Partly Cloudy Day
High 25°C
Low 14°C
Chance
of rain
Rain drop
Sat
23 May

AM Clouds / PM Sun
High 26°C
Low 13°C
Chance
of rain
24%
Sun
24 May

Partly Cloudy Day
High 28°C
Low 12°C
Chance
of rain
Rain drop
Mon
25 May

Partly Cloudy
High 27°C
Low 13°C
Chance
of rain
20%
Tue
26 May

Partly Cloudy Day
High 28°C
Low 13°C
Chance
of rain
Rain drop
Wed
27 May

Partly Cloudy
High 26°C
Low 12°C
Chance
of rain
5%

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