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Hourly Forecast
Daylight Hours
06:31
Sunrise
18:47
Sunset
Moon
Waxing Crescent
11:25
Moonrise
20:14
Moonset
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Weather in Waltham tomorrow, September 16, 2026
Waltham is set for a fine, sunny day on September 16, 2026, with only limited interruptions to the clear sky. The early hours look particularly favourable for being outside. Expect a grey start, with morning cloud around 100% by 05:00. Outdoor plans early on should not rely on bright skies.
Temperatures climb from an overnight low near 12°C toward a daytime high of about 25°C. Expect humidity between 53% and 97%, most humid near 04:00. A lighter breeze peaks around 14:00 near 12.4 km/h.
Expect a more open afternoon, with limited cloud around 21% by 14:00. Residual damp risk should be lower than earlier. Horizontal visibility sits around 15.1 km, briefly nearer 11.2 km. Sunrise is at 06:32 and sunset at 18:45, giving 12 hours 13 minutes of sunlight today.
The practical takeaway for Waltham is a bright September 16, 2026, ideal for outdoor errands before temperatures ease from about 25°C.
Frequently asked questions about weather in Waltham
How warm does it get in Waltham?
The warmest month in Waltham is July, with average high temperatures of 29°C. The average temperature during this period is around 24°C.
How cold does it get in Waltham?
The coldest month in Waltham is January, with average low temperatures of -4°C. The average temperature during this period is around -1°C.
What is the wettest time of year in Waltham?
The wettest month in Waltham is December, with an average of 116mm of precipitation.
What is the driest time of year in Waltham?
The driest month in Waltham is June, with an average of 76mm of precipitation.
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