Apex Weather

St. John Valley weather for July 18-24, 2018

High pressure will build across the Valley Wednesday through Sunday with mostly sunny days and clear nights for the region. Temperatures will be seasonably warm Wednesday and Thursday, then hot and humid Friday and Saturday as the high-pressure ridge moves east of the SJV. Partly cloudy skies are expected Sunday with increased cloudiness Monday and Tuesday as an upper-trough and offshore high pressure channel moisture into the region with a chance for showers and scattered thunderstorms for northern Maine.

Daily Weather Summary

Wednesday, July 18: High: 73. Low: 50.

Day: Partly cloudy in the morning then becoming mostly clear in the afternoon Northwest winds around 5 to 10 mph.  Night: Mostly clear and mild with northwest winds 0 to 5 mph.

Thursday, July 19: High: 78. Low: 56.

Day: Mostly clear with west winds around 5 mph. Night: Mostly clear with light west winds.

Friday, July 20: High: 87. Low: 60.

Day: Mostly clear, hot, and more humid with light southwest winds. Night: Mostly clear with light south winds.

Saturday, July 21: High: 88. Low: 60.

Day: Mostly clear and hot with light south winds. Night: Partly cloudy with light south winds.

Sunday, July 22: High: 84. Low: 60.

Day: Partly cloudy and warm with a slight chance for showers. Light south winds. Night: Increased clouds with a 30 percent chance for showers with light south winds.

Monday, July 23: High: 79. Low: 64.

Day: Considerably cloudy with a 50 percent chance for showers. Light south winds. Night: Mostly cloudy with a 50 percent chance for showers and scattered thunderstorms. Light south winds.

Tuesday, July 24: High: 79. Low: 65.

Day: Partly to mostly cloudy with a 50 percent chance for showers and scattered thunderstorms. Light southwest winds. Night: Mostly cloudy with a 30 percent chance for showers and scattered thunderstorms. Light southwest winds.

Note: Computer model precision diminishes the further into the week the forecast projects. Check the Fiddlehead Focus for weather updates with more current information.

The Week Ahead is the work of UMFK Professor Joseph E. Becker based on personal weather station data, various computer forecast models, and information that the National Weather Service, NOAA, and other weather resources provide.

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