Johnston, MN Weather Forecast

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Johnston, MN Weather Forecast

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Johnston MN weather  - Clear - 49°F
Clear
49°F
Updated 9:40 pm
Feels Like 47°F
Humidity 66%
Wind WNW 5 mph
Barometer  30.17 in
Dew Point 38°F
Johnston MN weather  - Clear - 9°C
Clear
9°C
Updated 9:40 pm
Feels Like 8°C
Humidity 66%
Wind WNW 8 km/h
Barometer  102.1 kPa
Dew Point 3°C

Johnston Weather Forecast

TONIGHT FRIDAY FRIDAY NIGHT SATURDAY SATURDAY NIGHT SUNDAY SUNDAY NIGHT MONDAY MONDAY NIGHT TUESDAY TUESDAY NIGHT WEDNESDAY
Johnston, MN Weather - Tonight Clear Johnston, MN Weather - Friday Partly Sunny Johnston, MN Weather - Friday Night Mostly Cloudy Johnston, MN Weather - Saturday Mostly Sunny Johnston, MN Weather - Saturday Night Mostly Clear Johnston, MN Weather - Sunday Sunny Johnston, MN Weather - Sunday Night Clear Johnston, MN Weather - Monday Mostly Clear Johnston, MN Weather - Monday Night Mostly Clear Johnston, MN Weather - Tuesday Mostly Sunny Johnston, MN Weather - Tuesday Night Mostly Clear Johnston, MN Weather - Wednesday Mostly Clear
Clear Partly Sunny Mostly Cloudy Mostly Sunny Mostly Clear Sunny Clear Mostly Clear Mostly Clear Mostly Sunny Mostly Clear Mostly Clear
Lo: 35°FLo: 2°C Hi: 63°FHi: 17°C
Lo: 45°FLo: 7°C Hi: 65°FHi: 18°C
Lo: 43°FLo: 6°C Hi: 63°FHi: 17°C
Lo: 38°FLo: 3°C Hi: 65°FHi: 18°C
Lo: 53°FLo: 12°C
Hi: 65°FHi: 18°C
Lo: 53°FLo: 12°C
Hi: 75°FHi: 24°C
Hi: 68°FHi: 20°C
Lo: 53°FLo: 12°C
Hi: 68°FHi: 20°C
Lo: 53°FLo: 12°C
POP = Probability of Precipitation.
Weather Outlook Updated: 737 PM CDT Thu Oct 01 2026 Johnston, MN Weather - WeatherWorld.com

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Johnston Forecast Discussion

Meteorlogic Glosserator
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Issued: 646 PM CDT Thu Oct 1 2026

Key Messages

  • Widespread frost and areas of freezing temperatures are forecast tonight into early Friday morning.

Discussion

... Issued at 339 PM CDT Thu Oct 1 2026

...Synopsis...

Upper trough within Canada is spreading its influence over our region, with a feed of relatively dry, continental air mass infiltrating into the region. Surface high pressure settles into our area amid this dry, cooler air mass. With clear skies and predominately calm winds, ideal radiational cooling will allow for temperatu...