WXSIM Forecast for: Fredericton
Issued by: Fredericton Area Weather
Updated: Friday, 12.06.2026 05:00
 
Today

Mostly Cloudy
Mostly Cloudy
Tonight

Cloudy
Cloudy
Saturday

Mostly Cloudy
Mostly Cloudy
Saturday
night
Partly Cloudy
Partly Cloudy
Sunday

Cloudy
Cloudy
Sunday
night
Chance rain
Chance rain
Monday

Rain likely
Rain likely
Monday
night
Fog late
Fog late
Tuesday

Fog a.m.
Fog a.m.
Tuesday
night
Fog late
Fog late
<2 mm. <2 mm. 5 mm. 10 mm. <2 mm.
High: 31° Low: 19° High: 27° Low: 18° High: 27° Low: 17° High: 24° Low: 17° High: 27° Low: 16°
Hmdx: 35                  
ENE
5-25→14-30
kph
Fresh breeze
ENE
14-29→7
kph
Moderate breeze
NE
4
kph
Light air
ENE
6
kph
Light breeze
S
5→12-30
kph
Fresh breeze
S
15-30
kph
Fresh breeze
S
6
kph
Light breeze
W
6
kph
Light breeze
NW→SW
6
kph
Light breeze
SW
6
kph
Light breeze
UV: 7
 High 
UV: 8
 Very High 

 

Today
 
Mostly cloudy to cloudy in the morning, becoming partly to mostly cloudy in the afternoon. Unusually hot. High 31°. Humidex up to 35. UV index up to 7. Wind east-northeast around 5 kph, gusting to 25 kph, in the morning, becoming 14 kph, gusting to 30 kph, in the afternoon.
Tonight
 
Cloudy in the evening, becoming dense overcast after midnight. A chance of rain in the evening, then a slight chance of rain after midnight. Warm. Low 19°. Wind east-northeast around 14 kph, gusting to 29 kph, in the evening, becoming 7 kph after midnight. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Saturday
 
Cloudy in the morning, becoming mostly cloudy to cloudy in the afternoon. A slight chance of rain. Warm. High 27°. Wind northeast around 4 kph. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Saturday night
 
Partly cloudy in the evening, becoming cloudy after midnight. Mild. Low 18°. Wind east-northeast around 6 kph.
Sunday
 
Dense overcast in the morning, becoming cloudy in the afternoon. Warm. High 27°. Wind south around 5 kph in the morning, becoming 12 kph, gusting to 30 kph, in the afternoon.
Sunday night
 
Cloudy in the evening, becoming dense overcast after midnight. Patchy light fog after midnight. A chance of rain after midnight. Low 17°. Wind south around 15 kph, gusting to 30 kph. Chance of precipitation 50 percent. Precipitation mostly around 5 mm.
Monday
 
Dense overcast in the morning, becoming cloudy in the afternoon. Light to moderate fog in the morning, then patchy light fog in the afternoon. Rain likely in the morning, then a slight chance of rain in the afternoon. High 24°. Wind south around 6 kph. Chance of precipitation 80 percent. Precipitation mostly around 10 mm.
Monday night
 
Cloudy in the evening, becoming partly cloudy after midnight. Light to moderate fog after midnight. A slight chance of rain. Low 17°. Wind west around 6 kph. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Tuesday
 
Mostly sunny in the morning, becoming partly to mostly cloudy in the afternoon. Light to moderate fog in the morning. Warm. High 27°. UV index up to 8. Wind northwest around 6 kph in the morning, becoming southwest in the afternoon.
Tuesday night
 
Mostly cloudy in the evening, becoming fair to partly cloudy after midnight. Light to moderate fog after midnight. Low 16°. Wind southwest around 6 kph.
Wednesday
 
Sunny. Light to moderate fog in the morning. Warm. High 28°. Humidex up to 33. UV index up to 9. Wind west-southwest around 8 kph, gusting to 25 kph.
Wednesday night
 
Partly to mostly cloudy. Patchy light fog after midnight. Low 16°. Wind south-southwest around 6 kph.
Thursday
 
Mostly sunny in the morning, becoming partly to mostly cloudy in the afternoon. Patchy light fog in the morning. Unusually hot. High 30°. Humidex up to 35. UV index up to 8. Wind south around 9 kph, gusting to 31 kph, in the morning, becoming 20 kph, gusting to 36 kph, in the afternoon.
Thursday night
 
Mostly cloudy in the evening, becoming dense overcast after midnight. Patchy light fog after midnight. A slight chance of rain in the evening, then rain likely after midnight. Mild. Low 19°. Wind south around 17 kph, gusting to 34 kph. Chance of precipitation 70 percent. Precipitation mostly around 10 mm.

WXSIM forecast formatting script by Saratoga-Weather.org.