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Hourly Forecast
Daylight Hours
06:39
Sunrise
18:59
Sunset
Moon
Waxing Crescent
10:33
Moonrise
19:59
Moonset
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Weather in Watertown tomorrow, September 15, 2026
Conditions in Watertown on September 15, 2026 favour clear skies, so the day opens with a fine, sunny outlook. Any interruptions to the blue should be brief rather than lasting. The morning sky stays heavily clouded, with cover near 100% around 01:00. Grey conditions set the early tone before any later change.
The day peaks near 23°C and cools toward 16°C. Moisture in the air spans 22%-96%, with the highest values around 08:00. Winds stay light, near 7.3 km/h by 00:00, so the day feels still more than breezy.
Expect persistent cloud later on, with amounts around 100% by 12:00. Sunshine remains the exception, not the rule. Visibility stays generally good near 15.1 km on average, though it can drop toward 9.1 km in thicker cloud or showers. The sun rises at 06:41 and sets at 18:57, for a total of 12 hours 16 minutes of sunlight today.
The practical takeaway for Watertown is a bright September 15, 2026, ideal for outdoor errands before temperatures ease from about 23°C.
Frequently asked questions about weather in Watertown
How warm does it get in Watertown?
The warmest month in Watertown is July, with average high temperatures of 28°C. The average temperature during this period is around 23°C.
How cold does it get in Watertown?
The coldest month in Watertown is January, with average low temperatures of -9°C. The average temperature during this period is around -5°C.
What is the wettest time of year in Watertown?
The wettest month in Watertown is June, with an average of 100mm of precipitation.
What is the driest time of year in Watertown?
The driest month in Watertown is February, with an average of 40mm of precipitation.
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