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18°
Mostly Cloudy
Feels Like: 15°
Min: 17°
Max: 26°
The next few hours will be mostly cloudy, with today reaching 26°C and dropping to 17°C. The coming days will be mostly cloudy
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
07:36
Sunrise
19:12
Sunset
Moon
Waning Gibbous
19:47
Moonrise
09:34
Moonset
Daily Forecast
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View stargazing scoreWeather in Mercury today, September 28, 2026
Cloud cover dominates in Mercury on September 28, 2026, keeping sunshine limited. Expect a grey, overcast feel rather than long bright spells. The first half of the day looks overcast, as cloud amounts reach about 100% around 09:00. Brighter weather, if it comes, waits until later.
The day peaks near 26°C and cools toward 17°C. Relative humidity sits between 48% and 81%, reaching its peak around 22:00. Winds stay light, near 1.4 km/h by 20:00, 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 39.6 km on average, though it can drop toward 32.8 km in thicker cloud or showers. Expect sunrise at 07:36, sunset at 19:12, and 11 hours 35 minutes of sunlight today overall.
Taken together, overcast skies in Mercury on September 28, 2026 favour indoor or covered options, with temperatures near 26°C.
Frequently asked questions about weather in Mercury
How warm does it get in Mercury?
The warmest month in Mercury is July, with average high temperatures of 24°C. The average temperature during this period is around 19°C.
How cold does it get in Mercury?
The coldest month in Mercury is January, with average low temperatures of -4°C. The average temperature during this period is around 0°C.
What is the wettest time of year in Mercury?
The wettest month in Mercury is May, with an average of 193mm of precipitation.
What is the driest time of year in Mercury?
The driest month in Mercury is August, with an average of 97mm of precipitation.
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