Horncastle Weather Forecast
- 15
- 23
Cloudy
- 15
- 24
Cloudy
- 19
- 30
Sunny day
- 17
- 28
Sunny day
- 18
- 26
Sunny day
- 18
- 28
Sunny day
Today 21 Jun East Midlands
Generally dry and fine, with just a small chance of isolated thunderstorms developing. Temperatures climbing, becoming very warm and humid inland although onshore breezes will keep coastal areas cooler. Maximum temperature 29 °C.
Horncastle Temperature Statistics
June Temperature
Coningsby (13km)
Lowest 11 June, 2026
6.5 °CAverage June
15.8 °CHighest 19 June, 2026
29.4 °C
Climate (2021–2026)
Coningsby (13km)
Average Low 2021–2026
7.4 °CAverage 2021–2026
11.2 °CAverage High 2021–2026
15.1 °C