WXSIM Forecast for: Fredericton
Issued by: Fredericton Area Weather
Updated: Saturday, 06.06.2026 21:00
 
Tonight

Rain likely
Rain likely
Sunday

Rain likely
Rain likely
Sunday
night
Fog late
Fog late
Monday

Fog a.m.
Fog a.m.
Monday
night
Partly Cloudy
Partly Cloudy
Tuesday

Partly Cloudy
Partly Cloudy
Tuesday
night
Mostly Cloudy
Mostly Cloudy
Wednesday

Mostly Cloudy
Mostly Cloudy
Wednesday
night
Chance rain
Chance rain
Thursday

Mostly Cloudy
Mostly Cloudy
5 mm. 25 mm. <5 mm.
Low: 13° High: 18° Low: 9° High: 23° Low: 9° High: 27° Low: 12° High: 29° Low: 15° High: 28°
                   
SE
10
kph
Light breeze
SE→NNE
5→14-33
kph
Fresh breeze
NNE
16-34
kph
Fresh breeze
NNE
19-38
kph
Fresh breeze
ENE→SW
6-27
kph
Moderate breeze
WSW→NW
10-25→15-29
kph
Moderate breeze
NW
4
kph
Light air
WSW
9
kph
Light breeze
NNW
5
kph
Light air
N→ESE
6
kph
Light breeze
UV: 9
 Very High 
UV: 8
 Very High 
UV: 7
 High 
UV: 8
 Very High 

 

Tonight
 
Cloudy in the evening, becoming dense overcast after midnight. Patchy light fog in the evening. Rain likely. Low 13°. Wind southeast around 10 kph. Chance of precipitation 60 percent. Precipitation mostly around 5 mm.
Sunday
 
Dense overcast. Patchy light fog in the afternoon. A chance of rain in the morning, then rain likely in the afternoon. High 18°. Wind southeast around 5 kph in the morning, becoming north-northeast around 14 kph, gusting to 33 kph, in the afternoon. Chance of precipitation 80 percent. Precipitation mostly between 20 and 30 mm.
Sunday night
 
Mostly cloudy in the evening, becoming clear after midnight. Patchy light fog after midnight. Cool. Low 9°. Wind north-northeast around 16 kph, gusting to 34 kph.
Monday
 
Sunny in the morning, becoming partly cloudy in the afternoon. Patchy light fog in the morning. Breezy. High 23°. UV index up to 9. Wind north-northeast around 19 kph, gusting to 38 kph.
Monday night
 
Partly cloudy. Low 9°. Wind east-northeast around 6 kph, gusting to 27 kph, in the evening, becoming southwest after midnight.
Tuesday
 
Partly to mostly cloudy in the morning, becoming partly cloudy in the afternoon. Warm. High 27°. UV index up to 8. Wind west-southwest around 10 kph, gusting to 25 kph, in the morning, becoming northwest around 15 kph, gusting to 29 kph, in the afternoon.
Tuesday night
 
Mostly cloudy. Low 12°. Wind northwest around 4 kph.
Wednesday
 
Cloudy in the morning, becoming mostly cloudy in the afternoon. Unusually hot. High 29°. UV index up to 7. Wind west-southwest around 9 kph.
Wednesday night
 
Mostly cloudy in the evening, becoming cloudy after midnight. Patchy light fog in the evening. A chance of rain in the evening, then a slight chance of rain after midnight. Low 15°. Wind north-northwest around 5 kph. Chance of precipitation 50 percent. Precipitation mostly between 2 and 5 mm.
Thursday
 
Dense overcast in the morning, becoming partly to mostly cloudy in the afternoon. Warm. High 28°. UV index up to 8. Wind north around 6 kph in the morning, becoming east-southeast in the afternoon.
Thursday night
 
Partly cloudy. Patchy light fog after midnight. Low 13°. Wind south-southwest around 4 kph.
Friday
 
Mostly cloudy in the morning, becoming mostly cloudy to cloudy in the afternoon. Patchy light fog in the morning. Warm. High 28°. Wind south-southwest around 6 kph in the morning, becoming 13 kph, gusting to 26 kph, in the afternoon.
Friday night
 
Mostly cloudy to cloudy in the evening, becoming cloudy after midnight. Low 17°. Wind south around 11 kph.

WXSIM forecast formatting script by Saratoga-Weather.org.