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CanadaNew BrunswickSaint John

Saint John, NB Weather

Current weather

9:00 AM
14°C
Mostly Cloudy
High 20° · Low 14° · 30%
Wind
NE 4 km/h
Wind gusts
33 km/h
Humidity
100%
Air quality (AQHI)
1 · Low risk
UV index
1 · Low
More details
Dew point
14°C
Pressure
102.6 kPa ↗ rising
Visibility
10 km
Sunrise
7:05 AM
Sunset
7:32 PM
Daylight
12 h 27 min
Observed at Saint John Airport, 9:00 AM ADT · Environment and Climate Change Canada

Hourly forecast

Hourly →
  • Now14°12%
  • 10 AM16°0%
  • 11 AM17°0%
  • 12 PM19°0%
  • 1 PM19°0%
  • 2 PM20°0%
  • 3 PM20°0%
  • 4 PM19°0%
  • 5 PM19°0%
  • 6 PM18°30%
  • 7 PM18°30%
  • 8 PM18°30%
  • 9 PM18°30%
  • 10 PM17°30%
  • 11 PM17°30%
  • Fri
  • 12 AM16°100%
  • 1 AM16°100%
  • 2 AM15°100%
  • 3 AM15°100%
  • 4 AM15°100%
  • 5 AM14°100%
  • 6 AM14°100%
  • 7 AM14°100%
  • 8 AM14°100%

14-day forecast

Full 14-day →
TodaySep 1720°14°Mainly cloudyChance of showers30%

Day

Mainly cloudy. Fog patches dissipating this morning. High 20 except 15 along parts of the coast. UV index 5 or moderate.

Wind
Variable 5 km/h
Precipitation
30% · 0.2 mm
UV index (max)
5 Moderate
Air quality (AQHI)
2 · Low risk

Night

Mainly cloudy. 30 percent chance of showers this evening. Rain beginning near midnight. Fog patches developing overnight. Amount 5 to 10 mm. Low 14.

Low
14°
Wind
Variable 5 km/h
Precipitation
30%
Sunrise7:05 AM
Sunset7:32 PM
Daylight12 h 27 min
Normal17° / 8°
FriSep 1819°ShowersClear57%

Day

Showers ending near noon then clearing. Risk of thundershowers in the morning. Fog patches dissipating in the morning. Amount 5 to 10 mm. Wind becoming northwest 30 km/h gusting to 50 in the morning. High 19 with temperature falling to 13 in the afternoon. UV index 3 or moderate.

Wind
NW 30 km/h
Wind gusts
50 km/h
Precipitation
57% · 1 mm
UV index (max)
3 Moderate
Air quality (AQHI)
2 · Low risk

Night

Clear. Low 6.

Low
Sunrise7:06 AM
Sunset7:29 PM
Daylight12 h 23 min
SatSep 1917°SunnyClear4%

Day

Sunny. High 17.

Precipitation
4% · 0 mm
UV index (max)
5 Moderate

Night

Clear. Low plus 4.

Low
Sunrise7:07 AM
Sunset7:27 PM
Daylight12 h 20 min
SunSep 2015°CloudyCloudy periods83%

Day

Cloudy. High 15.

Precipitation
83% · 6 mm
UV index (max)
4 Moderate

Night

Cloudy periods. Low 6.

Low
Sunrise7:09 AM
Sunset7:26 PM
Daylight12 h 16 min
MonSep 2120°A mix of sun and cloudCloudy periods71%

Day

A mix of sun and cloud. High 20.

Precipitation
71% · 3 mm
UV index (max)
3 Moderate

Night

Cloudy periods. Low 8.

Low
Sunrise7:10 AM
Sunset7:24 PM
Daylight12 h 13 min
TueSep 2215°Chance of showersCloudy periods60%

Day

Cloudy with 60 percent chance of showers. High 15.

Precipitation
60% · 0 mm
UV index (max)
4 Moderate

Night

Cloudy periods. Low plus 5.

Low
Sunrise7:11 AM
Sunset7:22 PM
Daylight12 h 10 min
WedSep 2317°A mix of sun and cloud19%

Day

A mix of sun and cloud. High 17.

Precipitation
19% · 0 mm
UV index (max)
3 Moderate

Night

Low 6.

Low
Sunrise7:12 AM
Sunset7:20 PM
Daylight12 h 7 min
Days 8–14 · trend, lower confidence
ThuSep 2415°ShowersNight low 9°83%

Day

Showers. High 15.

Wind
SE 18 km/h
Wind gusts
51 km/h
Precipitation
83% · 3 mm
UV index (max)
3 Moderate

Night

Low 9.

Low
Sunrise7:13 AM
Sunset7:18 PM
Daylight12 h 4 min
SourceExtended outlook
FriSep 2517°12°ShowersNight low 12°91%

Day

Showers. High 17.

Wind
S 27 km/h
Wind gusts
56 km/h
Precipitation
91% · 6 mm
UV index (max)
4 Moderate

Night

Low 12.

Low
12°
Sunrise7:15 AM
Sunset7:16 PM
Daylight12 h 1 min
SourceExtended outlook
SatSep 2614°Mostly cloudyNight low 8°20%

Day

Mostly cloudy. High 14.

Wind
NW 16 km/h
Wind gusts
30 km/h
Precipitation
20% · 0 mm
UV index (max)
4 Moderate

Night

Low 8.

Low
Sunrise7:16 AM
Sunset7:14 PM
Daylight11 h 58 min
SourceExtended outlook
SunSep 2714°SunnyNight low 4°7%

Day

Sunny. High 14.

Wind
NW 19 km/h
Wind gusts
38 km/h
Precipitation
7% · 0 mm
UV index (max)
4 Moderate

Night

Low 4.

Low
Sunrise7:17 AM
Sunset7:12 PM
Daylight11 h 54 min
SourceExtended outlook
MonSep 2820°SunnyNight low 9°12%

Day

Sunny. High 20.

Wind
SW 21 km/h
Wind gusts
48 km/h
Precipitation
12% · 0 mm
UV index (max)
6 High

Night

Low 9.

Low
Sunrise7:18 AM
Sunset7:10 PM
Daylight11 h 51 min
SourceExtended outlook
TueSep 2922°13°SunnyNight low 13°10%

Day

Sunny. High 22.

Wind
SW 14 km/h
Wind gusts
30 km/h
Precipitation
10% · 0 mm
UV index (max)
6 High

Night

Low 13.

Low
13°
Sunrise7:20 AM
Sunset7:08 PM
Daylight11 h 48 min
SourceExtended outlook
WedSep 3018°12°Mostly cloudyNight low 12°48%

Day

Mostly cloudy. High 18.

Wind
N 16 km/h
Wind gusts
40 km/h
Precipitation
48% · 0.5 mm
UV index (max)
4 Moderate

Night

Low 12.

Low
12°
Sunrise7:21 AM
Sunset7:06 PM
Daylight11 h 45 min
SourceExtended outlook
Sunrise7:05 AM
Sunset7:32 PM
Daylight12 h 27 min
MoonFirst Quarter37% lit · rise 2:25 PM · set 10:25 PM

Climate · monthly normals

Full climate →
MonthJanFebMarAprMayJunJulAugSepOctNovDec
High-3°-2°15°20°23°22°18°12°
Low-13°-13°-7°-1°12°11°-2°-9°
Precip124 mm91 mm108 mm105 mm110 mm101 mm88 mm82 mm106 mm116 mm134 mm130 mm
ECCC

Activities today

Derived from the forecast
Laundry dayPoorLine-drying weather
GrillingGreatFire up the grill
RunningFairLace up outside
PatioGreatDinner outdoors
Forecast: Environment and Climate Change Canada (Saint John and County), issued 8:31 AM · Days 8–14: WeatherAPI.com · weather.gc.ca · 45.2708°N, 66.0562°W · Elevation 30 m · Population 71,808 · Time zone America/Moncton