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 Johnston Weather Forecast Summary |
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Today
Feb 18th
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Thursday
Feb 19th
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Friday
Feb 20th
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Saturday
Feb 21st
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Sunday
Feb 22nd
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Mix of rain and snow |
Cloudy |
Cloudy |
Cloudy |
Showers |
2°C
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3°C
1°C |
10°C
2°C |
12°C
9°C |
10°C
9°C |
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| Johnston Detailed Weather Forecast |
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| Wednesday, February 18th, 2026 |
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Evening |
Temperature: 1°C |
| Cloudy with a few flurries or showers. Risk of freezing rain. Windy. |
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| Thursday, February 19th, 2026 |
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Overnight |
Temperature: 1°C |
| Cloudy with a chance of flurries or showers. Risk of freezing rain. Windy at times. |
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Morning |
Temperature: 3°C |
| Cloudy. |
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Afternoon |
Temperature: 2°C |
| Cloudy. |
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Evening |
Temperature: 2°C |
| Cloudy. |
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| Friday, February 20th, 2026 |
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Overnight |
Temperature: 3°C |
| Cloudy. Windy at times. |
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Morning |
Temperature: 9°C |
| Cloudy with a chance of showers. Windy. |
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Afternoon |
Temperature: 10°C |
| Cloudy with a slight chance of showers. Windy. |
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Evening |
Temperature: 10°C |
| Cloudy. Windy. |
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| Saturday, February 21st, 2026 |
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Overnight |
Temperature: 9°C |
| Cloudy. Windy. |
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Morning |
Temperature: 11°C |
| Cloudy. Windy. |
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Afternoon |
Temperature: 11°C |
| Cloudy. Windy at times. |
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Evening |
Temperature: 10°C |
| Cloudy. Windy at times. |
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| Sunday, February 22nd, 2026 |
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Overnight |
Temperature: 10°C |
| Cloudy. Windy. |
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Morning |
Temperature: 10°C |
| Cloudy with a chance of showers. Windy. |
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Afternoon |
Temperature: 9°C |
| Cloudy. Windy. |
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Evening |
Temperature: 9°C |
| Cloudy with a few showers. Windy. |
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| Monday, February 23rd, 2026 |
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Overnight |
Temperature: 7°C |
| A mix of cloudy and clear skies. Windy at times. |
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Morning |
Temperature: 9°C |
| A mix of cloud and sun. Windy. |
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Afternoon |
Temperature: 6°C |
| A mix of cloud and sun. |
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Evening |
Temperature: 7°C |
| Cloudy. Windy at times. |
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| Tuesday, February 24th, 2026 |
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Overnight |
Temperature: 9°C |
| Cloudy. Windy. |
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Morning |
Temperature: 10°C |
| Cloudy with a chance of showers. Windy. |
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Afternoon |
Temperature: 10°C |
| Cloudy with a few showers. Wind 30 to 50 km/h. |
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Evening |
Temperature: 9°C |
| Cloudy with a few showers. Windy. |
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| Wednesday, February 25th, 2026 |
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Overnight |
Temperature: 9°C |
| Cloudy with showers likely. Windy. |
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Morning |
Temperature: 9°C |
| Cloudy with showers likely. Windy. |
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Afternoon |
Temperature: 9°C |
| Cloudy with a chance of showers. Windy at times. |
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Evening |
Temperature: 8°C |
| Cloudy with clear periods with a chance of showers. |
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