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Hourly
7 Days
14 Days
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Monthly
°C
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°Celsius
°Fahrenheit
Monthly Historical Averages
Harlingen, TX
Content continues below
March
Average Temperature
High
26°
Feels 27
Low
16°
Feels 15
Average Precipitation
4 Days
Rain amount
21.8mm
Snow amount
0cm
Content continues below
Daily Historical Averages
March 2026
S
M
T
W
T
F
S
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
22°
18
26°
19
29°
20
32°
21
33°
22
32°
23
32°
24
32°
25
32°
26
34°
27
33°
28
31°
29
32°
30
34°
31
35°
Forecast
Tuesday, March 17, 2026
Day
22°
Feels 22
Wind
23 km/h NE
Gust
34 km/h
Humidity
29%
P.O.P
20%
Night
10°
Feels 9
Wind
27 km/h E
Gust
41 km/h
Humidity
87%
P.O.P
0%
Historical Averages
Mar 17
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.