See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
12°
Partly Cloudy
Feels Like: 11°
Min: 11°
Max: 15°
The next few hours will be partly cloudy, with today reaching 15°C and dropping to 11°C. The coming days will be drizzle throughout the day.
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
07:01
Sunrise
19:22
Sunset
Moon
Waxing Crescent
14:08
Moonrise
20:26
Moonset
Daily Forecast
Wednesday
Thursday
Friday
Saturday
Sunday
Monday
Tuesday
Wednesday
Thursday
Friday
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UV Index
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Weather in Johnstone today, September 16, 2026
Johnstone starts September 16, 2026 looking damp, with rain in the forecast and wetter spells likely at times. Waterproof kit is the safer call for early plans. The first half of the day looks overcast, as cloud amounts reach about 83% around 11:00. Brighter weather, if it comes, waits until later.
Expect highs of 15°C and cooler readings close to 11°C. Expect humidity between 75% and 94%, most humid near 23:00. Winds stay light, near 8.8 km/h by 23:00, so the day feels still more than breezy.
Expect the wet theme to continue later, as rain odds reach 100% near 23:00. Cloud amounts hold near 100% around 12:00. Expect visibility near 23.7 km, with poorer spells close to 8.1 km. Daylight runs from 07:01 to 19:22, lasting 12 hours 21 minutes of sunlight today.
Taken together, Johnstone looks wet enough on September 16, 2026 that flexible outdoor plans work best, with temperatures peaking near 15°C.
Frequently asked questions about weather in Johnstone
How warm does it get in Johnstone?
The warmest month in Johnstone is July, with average high temperatures of 18°C. The average temperature during this period is around 15°C.
How cold does it get in Johnstone?
The coldest month in Johnstone is January, with average low temperatures of 3°C. The average temperature during this period is around 5°C.
What is the wettest time of year in Johnstone?
The wettest month in Johnstone is October, with an average of 134mm of precipitation.
What is the driest time of year in Johnstone?
The driest month in Johnstone is April, with an average of 64mm of precipitation.
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