The Weather Network
Weather
Maps
News
Video
|
Welcome
Monthly
⋮
Current
Hourly
7 Days
14 Days
Weekend
Monthly
°C
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
Mount Si Golf Course, WA
Content continues below
Content continues below
Daily Historical Averages
April 2026
S
M
T
W
T
F
S
1
2
8°
3
11°
4
15°
5
20°
6
20°
7
11°
8
13°
9
14°
10
13°
11
14°
12
13°
13
14°
14
14°
15
12°
16
14°
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Forecast
Thursday, April 2, 2026
Day
8°
Feels 6
Wind
12 km/h SW
Gust
18 km/h
Humidity
81%
P.O.P
80%
Rain
~5 mm
Night
3°
Feels 1
Wind
11 km/h SW
Gust
17 km/h
Humidity
93%
P.O.P
70%
Rain
~1 mm
Historical Averages
Apr 2
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.
April
Average Temperature
High
13°
Feels 13
Low
4°
Feels 3
Average Precipitation
14 Days
Rain amount
76.9mm
Snow amount
0.2cm