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
Johnston, SC
Content continues below
Content continues below
Daily Historical Averages
April 2026
S
M
T
W
T
F
S
1
28°
2
27°
3
24°
4
27°
5
25°
6
20°
7
21°
8
18°
9
19°
10
21°
11
22°
12
25°
13
28°
14
29°
15
30°
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Forecast
Wednesday, April 1, 2026
Day
28°
Feels 28
Wind
11 km/h SW
Gust
16 km/h
Humidity
43%
P.O.P
40%
Rain
<1 mm
Night
16°
Feels 15
Wind
15 km/h S
Gust
23 km/h
Humidity
96%
P.O.P
30%
Historical Averages
Apr 1
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.
April
Average Temperature
High
23°
Feels 24
Low
11°
Feels 10
Average Precipitation
8 Days
Rain amount
69.4mm
Snow amount
0cm