See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
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Hourly Forecast
Daylight Hours
06:27
Sunrise
18:07
Sunset
Moon
Waning Crescent
03:49
Moonrise
14:41
Moonset
Daily Forecast
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Tuesday
Wednesday
Thursday
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Wednesday
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Weather in Castro today, September 07, 2026
Castro looks damp on September 07, 2026, so plan for wet spells during the day. Early travel and outdoor time should assume rain can arrive quickly. The first half of the day looks overcast, as cloud amounts reach about 94% around 11:00. Brighter weather, if it comes, waits until later.
The temperature range runs from about 7°C up to 13°C. The air stays humid, with relative humidity between 68% and 94% and the peak around 21:00. Airflow remains manageable, reaching about 4.5 km/h around 11:00.
Expect the wet theme to continue later, as rain odds reach 22% near 20:00. Cloud amounts hold near 93% around 12:00. Horizontal visibility holds close to 16.1 km. The sun rises at 06:27 and sets at 18:07, for a total of 11 hours 39 minutes of sunlight today.
Taken together, Castro looks wet enough on September 07, 2026 that flexible outdoor plans work best, with temperatures peaking near 13°C.
Frequently asked questions about weather in Castro
How warm does it get in Castro?
The warmest month in Castro is January, with average high temperatures of -2°C. The average temperature during this period is around -2°C.
How cold does it get in Castro?
The coldest month in Castro is June, with average low temperatures of -11°C. The average temperature during this period is around -10°C.
What is the wettest time of year in Castro?
The wettest month in Castro is December, with an average of 33mm of precipitation.
What is the driest time of year in Castro?
The driest month in Castro is April, with an average of 0mm of precipitation.
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