See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
21°
Mostly Cloudy
Feels Like: 20°
Min: 12°
Max: 21°
The next few hours will be partly cloudy, with today reaching 21°C and dropping to 8°C. The coming days will be partly cloudy
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
07:10
Sunrise
19:27
Sunset
Moon
Waxing Crescent
13:25
Moonrise
21:21
Moonset
Daily Forecast
Today
Thursday
Friday
Saturday
Sunday
Monday
Tuesday
Wednesday
Thursday
Friday
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Weather in Calw today, September 16, 2026
Calw starts September 16, 2026 looking damp, with rain in the forecast and wetter spells likely at times. Waterproof kit is the safer call for early plans. The first half of the day looks overcast, as cloud amounts reach about 89% around 11:00. Brighter weather, if it comes, waits until later.
The temperature range runs from about 12°C up to 21°C. Relative humidity sits between 66% and 85%, reaching its peak around 22:00. Expect gentle winds, highest near 11:00 at 3.7 km/h.
Expect the wet theme to continue later, as rain odds reach 66% near 12:00. Cloud amounts hold near 100% around 12:00. Expect visibility near 32.2 km, with poorer spells close to 9.0 km. Expect sunrise at 07:10, sunset at 19:27, and 12 hours 16 minutes of sunlight today overall.
The practical takeaway for Calw on September 16, 2026 is simple: plan for rain, keep layers handy, and work around a high of about 21°C.
Frequently asked questions about weather in Calw
How warm does it get in Calw?
The warmest month in Calw is August, with average high temperatures of 24°C. The average temperature during this period is around 19°C.
How cold does it get in Calw?
The coldest month in Calw is January, with average low temperatures of -1°C. The average temperature during this period is around 1°C.
What is the wettest time of year in Calw?
The wettest month in Calw is May, with an average of 111mm of precipitation.
What is the driest time of year in Calw?
The driest month in Calw is April, with an average of 79mm of precipitation.
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