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Saint John, NB — 3 hour detailed weather forecast


NB, Canada » Saint John


Forecast for today, Thursday, June 18, 2026
Detailed forecast - 3 hours intervals

21:00

Showers
+13°
feels like: +13°
Showers
Relative humidity: 92%, pressure: 747 mm
Precipitations: 2.2 mm
Wind: 25 km/h, southeast
00:00

Rain
+12°
feels like: +12°
Rain
Relative humidity: 97%, pressure: 744 mm
Precipitations: 6.6 mm
Wind: 22 km/h, southeast
03:00

Rain
+12°
feels like: +12°
Rain
Relative humidity: 100%, pressure: 742 mm
Precipitations: 4.5 mm
Wind: 7 km/h, southeast
06:00

Overcast
+12°
feels like: +12°
Overcast
Relative humidity: 100%, pressure: 741 mm
Precipitations: 0.1 mm
Wind: 11 km/h, south
09:00

A mix of sun and cloud
+14°
feels like: +14°
A mix of sun and cloud
Relative humidity: 95%, pressure: 742 mm
Precipitations: 0.0 mm
Wind: 11 km/h, southwest
12:00

A mix of sun and cloud
+18°
feels like: +18°
A mix of sun and cloud
Relative humidity: 76%, pressure: 742 mm
Precipitations: 0.1 mm
Wind: 14 km/h, southwest
15:00

Light showers
+19°
feels like: +19°
Light showers
Relative humidity: 73%, pressure: 742 mm
Precipitations: 0.3 mm
Wind: 18 km/h, southwest
18:00

Light showers
+19°
feels like: +19°
Light showers
Relative humidity: 71%, pressure: 741 mm
Precipitations: 0.2 mm
Wind: 18 km/h, southwest
21:00

Mainly sunny
+16°
feels like: +16°
Mainly sunny
Relative humidity: 79%, pressure: 742 mm
Precipitations: 0.7 mm
Wind: 11 km/h, southwest