St. John Valley weather for Oct. 16-22, 2024

Joseph E. Becker, Special to The County
1 month ago

3-Day Outlook: Wednesday, Oct. 16 – Friday, Oct. 17

Today, an upper-level trough crosses the region bringing cloudy skies with a chance of morning rain showers. Clouds thin out as the day progresses and a ridge of high pressure builds into the Saint John Valley. Highs expected in the lower 40s. Tonight, clear skies allow for widespread frost across the region with overnight lows falling into the upper 20s. Some patchy fog is also possible overnight.

Thursday, sunny skies with highs in the mid-50s as high-pressure spreads across the SJV. Friday night, clear skies and widespread frost are expected once again with lows in the upper 20s.

Skies remain mostly clear Friday with highs in the mid-50s. Clear skies continue Friday night with lows in the mid-30s.

Daily Summary 

Today: Cloudy with isolated snow and rain showers late this morning, then partly sunny this afternoon. Highs in the lower 40s. Northwest winds 10 to 15 mph with gusts up to 25 mph. Chance of precipitation 20 percent.

Tonight: Clear. Widespread frost. Patchy fog after midnight. Lows in the upper 20s. West winds 5 to 10 mph.

Thursday: Widespread frost with patchy fog in the morning. Sunny. Highs in the lower 50s. West winds 5 to 10 mph.

Thursday Night: Clear. Widespread frost. Patchy fog after midnight. Lows in the upper 20s. Northwest winds around 5 mph.

Friday: Widespread frost with patchy fog in the morning. Sunny. Highs in the mid-50s. West winds around 5 mph.

Friday Night: Clear. Patchy fog and frost after midnight. Lows in the mid-30s.


4-7 Day Outlook: Sat. Oct. 19 – Tuesday, Oct. 22

A large ridge of high-pressure spreads across the eastern US with mostly sunny skies Saturday and some increased cloudiness as a cold front sags across northern Maine. However, dry air is expected with only some increased cloudiness to mark the front’s presence. Temperatures gradually increase as the ridge shifts east and west/southwest flow sets up. Mostly clear skies continue Monday into Tuesday as high pressure remains in control of the Valley’s weather.

Daily Summary

Saturday: Patchy fog and frost in the morning. Sunny. Highs in the lower 60s.

Saturday Night: Mostly clear. Patchy fog after midnight. Lows in the upper 30s.

Sunday: Patchy fog in the morning. Partly sunny. Highs in the lower 60s.

Sunday Night: Partly cloudy in the evening, then clearing. Lows in the lower 40s.

Monday: Mostly sunny. Highs in the lower 60s.

Monday Night: Clear. Lows in the lower 40s.

Tuesday: Mostly sunny. Highs in the mid-60s.

8-14 Day Regional Climate Trends: Wednesday, Oct. 23 –  Tuesday, Oct. 29 

Above normal temperatures / Near normal precipitation 

  Note: Computer model precision diminishes the further into the week the forecast projects. Check The County.me or the National Weather Service Caribou, ME at for weather updates with more current information for the Saint John Valley.

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.