Monthly Historical AveragesThetis Island, BC
Average Temperature
High
8°
Feels 7
Low
4°
Feels 1
Average Precipitation
14 Days
115.8mm
0.3cm
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Daily Historical Averages
S
M
T
W
T
F
S
ForecastSunday, February 22, 2026
Day
9°Feels 5
Wind
34 km/h E
Gust
51 km/h
Humidity
71%
P.O.P
70%
Rain
2-4 mm
Night
6°Feels 2
Wind
23 km/h SE
Gust
35 km/h
Humidity
100%
P.O.P
70%
Rain
2-4 mm
Historical AveragesFeb 22
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity