7-Day Forecast Summary
7-Day Detailed Weather Forecast for Johnstown
Overnight |
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Temperature: 56°F Wind Speed: 0 mph Wind Direction: Forecast: Patchy fog after 1am. Mostly cloudy, with a low around 56. Wind around 0 mph. |
Wednesday |
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Temperature: 81°F Wind Speed: 0 to 6 mph Wind Direction: S Forecast: Patchy fog between 7am and 8am. Partly sunny, with a high near 81. South wind 0 to 6 mph. |
Wednesday Night |
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Temperature: 61°F Wind Speed: 0 to 3 mph Wind Direction: S Forecast: Partly cloudy, with a low around 61. South wind 0 to 3 mph. |
Thursday |
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Temperature: 81°F Wind Speed: 2 to 6 mph Wind Direction: SW Forecast: A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 81. Southwest wind 2 to 6 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible. |
Thursday Night |
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Temperature: 62°F Wind Speed: 0 to 5 mph Wind Direction: W Forecast: A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 62. West wind 0 to 5 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible. |
Friday |
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Temperature: 79°F Wind Speed: 0 to 5 mph Wind Direction: N Forecast: A slight chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 79. Chance of precipitation is 20%. |
Friday Night |
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Temperature: 58°F Wind Speed: 0 to 3 mph Wind Direction: NW Forecast: A slight chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 58. |
Saturday |
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Temperature: 79°F Wind Speed: 0 to 3 mph Wind Direction: N Forecast: Mostly sunny, with a high near 79. |
Saturday Night |
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Temperature: 60°F Wind Speed: 2 mph Wind Direction: NE Forecast: Mostly clear, with a low around 60. |
Sunday |
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Temperature: 82°F Wind Speed: 0 to 5 mph Wind Direction: S Forecast: Mostly sunny, with a high near 82. |
Sunday Night |
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Temperature: 64°F Wind Speed: 3 mph Wind Direction: SW Forecast: Partly cloudy, with a low around 64. |
Monday |
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Temperature: 83°F Wind Speed: 2 to 8 mph Wind Direction: SW Forecast: Mostly sunny, with a high near 83. |
Monday Night |
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Temperature: 66°F Wind Speed: 2 to 6 mph Wind Direction: SW Forecast: A slight chance of rain showers after 8pm. Mostly cloudy, with a low around 66. |
Tuesday |
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Temperature: 82°F Wind Speed: 2 to 9 mph Wind Direction: SW Forecast: A slight chance of rain showers before 2pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 82. |

