See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
24°
Partly Cloudy
Feels Like: 23°
Min: 12°
Max: 26°
The next few hours will be partly cloudy, with today reaching 26°C and dropping to 13°C. The coming days will be light rain
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
07:28
Sunrise
19:13
Sunset
Moon
Waxing Gibbous
18:43
Moonrise
05:46
Moonset
Daily Forecast
Today
Saturday
Sunday
Monday
Tuesday
Wednesday
Thursday
Friday
Saturday
Sunday
Air Quality Data Available
Upgrade to access real-time air quality data for Grimisuat.
Resources
UV Index
Humidity
Current stargazing conditions?
See sky darkness, moon phase, and the best viewing window for Grimisuat.
View stargazing scoreWeather in Grimisuat today, September 25, 2026
Grimisuat is set for a fine, sunny day on September 25, 2026, with only limited interruptions to the clear sky. The early hours look particularly favourable for being outside.
Temperatures climb from an overnight low near 12°C toward a daytime high of about 26°C. Expect humidity between 17% and 51%, most humid near 23:00. Airflow remains manageable, reaching about 2.3 km/h around 17:00.
Later hours favour clearer intervals, as cloud stays near 46% around 12:00. The afternoon is the better half for outdoor time. Visibility stays near 16.1 km. Expect sunrise at 07:28, sunset at 19:13, and 11 hours 44 minutes of sunlight today overall.
The practical takeaway for Grimisuat is a bright September 25, 2026, ideal for outdoor errands before temperatures ease from about 26°C.
Frequently asked questions about weather in Grimisuat
How warm does it get in Grimisuat?
The warmest month in Grimisuat is July, with average high temperatures of 19°C. The average temperature during this period is around 14°C.
How cold does it get in Grimisuat?
The coldest month in Grimisuat is January, with average low temperatures of -13°C. The average temperature during this period is around -8°C.
What is the wettest time of year in Grimisuat?
The wettest month in Grimisuat is May, with an average of 157mm of precipitation.
What is the driest time of year in Grimisuat?
The driest month in Grimisuat is February, with an average of 92mm of precipitation.