 |
 Current Johnstown Weather Conditions |
Updated May 18th at 11:54 am |
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| Mostly Cloudy |
| Temperature: | 81°F |
Dew Point: | 59°F |
| Barometer: | 30.24 inHg |
Wind: | N 26 Mph |
| Humidity: | 47.8% |
Visibility: | 0M |
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| Johnstown Weather Forecast Summary |
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Today
May 18th
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Tuesday
May 19th
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Wednesday
May 20th
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Thursday
May 21st
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Friday
May 22nd
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Mostly Sunny |
Mostly Sunny |
Mostly Cloudy |
Cloudy |
Showers |
85°F
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84°F
61°F |
74°F
54°F |
59°F
47°F |
53°F
47°F |
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| Johnstown Detailed Weather Forecast |
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| Monday, May 18th, 2026 |
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Afternoon |
Temperature: 85°F |
| Sunny. Chance of a thunderstorm. Windy at times. |
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Evening |
Temperature: 64°F |
| Clear with a chance of showers. Slight chance of a thunderstorm. Windy at times. |
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| Tuesday, May 19th, 2026 |
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Overnight |
Temperature: 61°F |
| Clear with a chance of showers. |
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Morning |
Temperature: 74°F |
| Sunny. Chance of a thunderstorm. Windy at times. |
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Afternoon |
Temperature: 84°F |
| Sunny with cloudy periods. Chance of a thunderstorm. Windy at times. |
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Evening |
Temperature: 70°F |
| Clear with cloudy periods. Slight chance of a thunderstorm. Windy at times. |
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| Wednesday, May 20th, 2026 |
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Overnight |
Temperature: 62°F |
| A mix of clear and cloudy skies with a chance of showers. |
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Morning |
Temperature: 67°F |
| Cloudy with sunny periods. Windy at times. |
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Afternoon |
Temperature: 68°F |
| Cloudy with a slight chance of showers or thundershowers. Windy at times. |
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Evening |
Temperature: 55°F |
| A mix of cloudy and clear skies. |
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| Thursday, May 21st, 2026 |
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Overnight |
Temperature: 51°F |
| Cloudy. |
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Morning |
Temperature: 50°F |
| Cloudy. |
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Afternoon |
Temperature: 56°F |
| Cloudy. |
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Evening |
Temperature: 48°F |
| Mostly cloudy. |
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| Friday, May 22nd, 2026 |
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Overnight |
Temperature: 47°F |
| Mostly cloudy. |
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Morning |
Temperature: 51°F |
| Cloudy. Windy at times. |
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Afternoon |
Temperature: 48°F |
| Cloudy with a chance of showers. |
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Evening |
Temperature: 47°F |
| Cloudy with a few showers. |
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| Saturday, May 23rd, 2026 |
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Overnight |
Temperature: 47°F |
| Cloudy with a few showers. |
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Morning |
Temperature: 46°F |
| Cloudy with showers likely. |
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Afternoon |
Temperature: 47°F |
| Cloudy with showers likely. |
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Evening |
Temperature: 47°F |
| Cloudy with a few showers. |
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| Sunday, May 24th, 2026 |
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Overnight |
Temperature: 47°F |
| Cloudy with a few showers. |
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Morning |
Temperature: 47°F |
| A mix of cloud and sun with showers likely. |
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Afternoon |
Temperature: 49°F |
| Mostly cloudy with a chance of showers. |
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Evening |
Temperature: 47°F |
| Mostly cloudy. |
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| Monday, May 25th, 2026 |
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Overnight |
Temperature: 48°F |
| Cloudy. |
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Morning |
Temperature: 49°F |
| Cloudy. |
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Afternoon |
Temperature: 51°F |
| Cloudy. |
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Evening |
Temperature: 50°F |
| Cloudy with a chance of showers. |
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| Tuesday, May 26th, 2026 |
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Overnight |
Temperature: 51°F |
| Cloudy with a chance of showers. |
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Morning |
Temperature: 63°F |
| Mostly cloudy. |
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Afternoon |
Temperature: 71°F |
| Mostly cloudy with showers likely. Chance of a thunderstorm. |
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Evening |
Temperature: 64°F |
| A mix of cloudy and clear skies with showers likely. Slight chance of a thunderstorm. |
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