Apex Weather

St. John Valley weather for Aug. 3-9, 2022

3-Day Outlook: Wednesday-Friday

High pressure brings mostly sunny skies today then moves east of the region tonight with southerly flow drawing warmer, more humid air into the St. John Valley. 

Thursday will feature partly sunny to mostly cloudy skies and humid conditions ahead of another cold front moving in from the west-northwest with another round of mainly afternoon showers and thunderstorms including some storms with locally heavy rainfall and gusty winds. This front will slow down and stall out over the Gulf of Maine with showers lingering into the overnight hours Thursday night. Partly cloudy skies are expected Friday with high pressure building across the Valley.

Today and tonight

Mostly sunny with a high around 79 degrees. North wind 3-5 mph in the morning then becoming south 5-6 mph in the afternoon.

Tonight, partly cloudy with a 10 percent chance for showers after midnight. Low near 61 degrees. South wind 0-5 mph.

Thursday, Aug. 4

Partly sunny early then becoming mostly cloudy with a 50 percent chance for showers and afternoon thunderstorms. Rainfall totals in the 0.25 to 0.50-inch range with higher amounts possible in storms. Some storms could feature heavy downpours and gusty winds. Humid with a high around 85 degrees. Southwest to west wind 5-10 mph.

Thursday night, mostly cloudy with a 60 percent chance for showers and thunderstorms. Rainfall amounts of less than a 0.10-inch with higher amounts possible in thunderstorms. Low near 63 degrees. West-northwest wind 0-5 mph.

Friday, Aug. 5

Partly cloudy with a 20 percent chance for showers, mainly in the morning. Little additional precipitation expected. High around 78 degrees. North wind 0-5 mph.

Friday night, partly cloudy in the evening then becoming mostly clear overnight with a low around 56 degrees. 5 percent chance for showers. Northeast wind 0-5 mph.
4- to 7-day outlook: Saturday-Tuesday

Mostly sunny to partly cloudy skies are expected Saturday into Saturday night as high pressure moves across the Valley. Clouds increase Sunday as the next frontal system approaches with mainly afternoon showers and thunderstorms expected. Showers and isolated thunderstorms continue overnight into Monday morning as the front moves through. High pressure then builds in with partly cloudy skies Monday night with a chance for some showers continuing Tuesday under partly sunny skies as the front remains stalled across the Gulf of Maine.

Saturday, Aug. 6

Mostly sunny in the morning then partly cloudy in the afternoon and increasingly humid with a 10 percent chance for showers. High around 86 degrees. Southwest wind 5-10 mph.

Saturday night, partly cloudy with a 20 percent chance for showers overnight. Low near 68 degrees. Southwest wind 0-5 mph.

Sunday, Aug. 7

Partly sunny and humid with a 40 percent chance for mainly afternoon showers and isolated thunderstorms. High around 84 degrees. West wind 5-10 mph.

Sunday night, partly cloudy with a 40 percent chance for showers and isolated thunderstorms. Low near 58 degrees. Northwest wind 0-5 mph.

Monday, Aug. 8

Partly sunny with a 40 percent chance for showers and isolated thunderstorms. High around 75 degrees. Northeast wind 0-7 mph. 

Monday night, partly cloudy with a 30 percent chance for showers. Low near 55 degrees. North wind 0-5 mph.

Tuesday, Aug. 9

Partly sunny with a 30 percent chance for showers. High around 75 degrees. Northeast wind 0-7 mph.

Tuesday night, partly cloudy with a 20 percent chance for showers. Low near 54 degrees. North wind 0-5 mph.

8- to 14-day trends: Wednesday, Aug. 10-Tuesday, Aug. 16
Below normal temperatures / Near normal precipitation

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.

Get the Rest of the Story

Thank you for reading your 4 free articles this month. To continue reading, and support local, rural journalism, please subscribe.