Saint John, ME Weather Forecast and Current Conditions

Current Conditions From Nearby Station

Clear 14°F
Feels Like 14°F  
Humidity 92% Dew Point 12°F Wind Calm Barometer 30.06 in.
Report from a MADIS/MESONET weather station 10.9 mi. ENE of central Saint John
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Point Forecast at a Glance

ThuDec 18
Thu Dec 18: Increasing Clouds, High 36F, Low 40F
36
40
FriDec 19
Fri Dec 19: Rain, High 53F, Low 16F
100%
53
16
SatDec 20
Sat Dec 20: Mostly Sunny, High 24F, Low 16F
24
16
SunDec 21
Sun Dec 21: Snow, High 32F, Low 12F
60%
32
12
MonDec 22
Mon Dec 22: Mostly Sunny, High 17F, Low 2F
17
2
TueDec 23
Tue Dec 23: Snow, High 20F, Low 8F
40%
20
8
WedDec 24
Wed Dec 24: Snow, High 20F
20%
20
 

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7-Day Temperature Trend

Week Ahead Summary

High temperatures start near 36°F, reaching 53°F before cooling to 17°F, then recovering to 20°F by week's end. Unsettled weather expected with rain or snow likely on at least 6 days.

Climate Context

This week's forecast shows temperatures running 3°F above the historical average for December. Normal highs for this period are around 26°F with lows around 8°F.

This Date in Weather History

1957 - A tornado swept across Jackson County, Williamson County and Franklin County in southern Illinois killing eleven persons.

More on this and other weather history

Saint John, ME 7 Day Weather Forecast Details

Thursday Dec 18

Increasing Clouds

Day: Increasing clouds, with a high near 36. Light and variable wind becoming south 5 to 7 mph in the morning.

Rain

Night: A chance of rain after 5am. Mostly cloudy, with a temperature rising to around 40 by 5am. South wind 8 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 30%.

Friday Dec 19

Rain

Day: Rain, mainly after 7am. Patchy fog. High near 53. South wind 13 to 16 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

Rain And Snow

Night: Rain and snow likely before 10pm, then a chance of snow between 10pm and 1am. Mostly cloudy, with a low around 16. West wind 9 to 17 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

Saturday Dec 20

Mostly Sunny

Day: Mostly sunny, with a high near 24. West wind 6 to 16 mph, with gusts as high as 29 mph.

Snow

Night: Snow, mainly after midnight. Low around 16. Calm wind becoming southeast around 6 mph after midnight. Chance of precipitation is 90%.

Sunday Dec 21

Snow

Day: Snow likely, mainly before 7am. Mostly cloudy, with a high near 32. South wind 6 to 8 mph becoming west in the afternoon. Chance of precipitation is 60%.

Snow

Night: A slight chance of snow before 10pm. Mostly cloudy, with a low around 12. Chance of precipitation is 20%.

Monday Dec 22

Mostly Sunny

Day: Mostly sunny, with a high near 17.

Partly Cloudy

Night: Partly cloudy, with a low around 2.

Tuesday Dec 23

Snow

Day: A chance of snow. Mostly sunny, with a high near 20. Chance of precipitation is 40%.

Snow

Night: A chance of snow. Mostly cloudy, with a low around 8. Chance of precipitation is 50%.

Wednesday Dec 24

Snow

Day: A slight chance of snow. Partly sunny, with a high near 20. Chance of precipitation is 20%.

How We Provide Better Local Weather

Current conditions: We use the nearest available station to your location - including professional MESONET/MADIS and local weather stations - often miles closer than regional airports.

Forecasts: National Weather Service point forecasts predict for your specific area, not broad regional zones, making them far more relevant to your location.