Forecast Summary
The next few hours will be overcast, with tomorrow reaching 17°C and dropping to 11°C. The coming days will be mostly cloudy until night.
Current Weather
14°
Overcast
Feels Like
13°
Min
8°
Max
16°
Compared to Yesterday
Unlock Historical Data
Compare today's weather with yesterday's data and track temperature trends over time.
Does this forecast seem accurate?
Hourly Forecast
Weather forecast for the next 48 hours.
12%
37%
37%
38%
36%
34%
32%
UV Index
No protection needed
Humidity
Current air moisture level
Daylight Hours
16 hours 21 minutes of sunlight today
05:03
Sunrise
21:25
Sunset
Daily Forecast
Weather forecast for the next 8 days.
Today
Friday
Saturday
Sunday
Monday
Tuesday
Wednesday
Thursday
Air Quality Data Available
Upgrade to access real-time air quality data for Johnstone.
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 December, with an average of 138mm of precipitation.
What is the driest time of year in Johnstone?
The driest month in Johnstone is April, with an average of 62mm of precipitation.
Explore more weather forecasts
- Paisley, Scotland
- London, England
- Erskine, Scotland
- Birmingham, England
- Barrhead, Scotland
- Liverpool, England
- Dumbarton, Scotland
- Glasgow, Scotland
- Renfrew, Scotland
- Manchester, England
- Clydebank, Scotland
- Sheffield, England
- Vale of Leven, Scotland
- Leeds, England
- Newton Mearns, Scotland
- Edinburgh, Scotland
Stay informed