See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
24°
Mostly Clear
Feels Like: 24°
Min: 12°
Max: 24°
The next few hours will be clear, with today reaching 24°C and dropping to 17°C. The coming days will be drizzle
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
06:33
Sunrise
18:46
Sunset
Moon
Waxing Crescent
12:30
Moonrise
20:47
Moonset
Daily Forecast
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Thursday
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Saturday
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Weather in Johnston today, September 16, 2026
Johnston starts September 16, 2026 under largely sunny skies, with bright spells setting the tone from the outset. Outdoor plans should enjoy long stretches of open sky as the day unfolds.
Expect highs of 24°C and cooler readings close to 12°C. The air stays humid, with relative humidity between 65% and 92% and the peak around 22:00. Expect gentle winds, highest near 23:00 at 4.0 km/h.
Expect persistent cloud later on, with amounts around 100% by 20:00. Sunshine remains the exception, not the rule. Visibility stays generally good near 15.6 km on average, though it can drop toward 14.2 km in thicker cloud or showers. The sun rises at 06:33 and sets at 18:46, for a total of 12 hours 13 minutes of sunlight today.
Overall, Johnston on September 16, 2026 favours outdoor plans under mostly open skies, with a comfortable high near 24°C.
Frequently asked questions about weather in Johnston
How warm does it get in Johnston?
The warmest month in Johnston is July, with average high temperatures of 28°C. The average temperature during this period is around 24°C.
How cold does it get in Johnston?
The coldest month in Johnston is January, with average low temperatures of -3°C. The average temperature during this period is around 0°C.
What is the wettest time of year in Johnston?
The wettest month in Johnston is December, with an average of 121mm of precipitation.
What is the driest time of year in Johnston?
The driest month in Johnston is November, with an average of 77mm of precipitation.
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