FORECASTRIO GRANDE VALLEY
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TEXAS · CAMERON COUNTY

Harlingen

The official National Weather Service forecast for Harlingen, at 26.1906°N, 97.6961°W, 1.3 miles from I-69.

118,838Population
CameronCounty
I-691.3 mi to the Interstate
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Cameron County · forecast by NWS BRO

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THE WEATHER PAGEHarlingen on the road atlas, with today’s highs in ten-degree bands and every neighbouring town’s high and low. Turn the page to tonight’s lows, the week ahead, rain and snow, or the radar this minute; zoom in and every road, river and exit is there.All of Rio Grande ValleyRio Grande Valley cities

Forecast Texas›Rio Grande Valley›Harlingen

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Harlingen climate normals

1996–2025 · Cameron County
Cameron CountyJFMAMJJASONDYear
Avg high °F71758085909494969287797385
Avg low °F51556166737677777467605366
Precip in1.00.91.51.22.42.72.61.85.33.01.91.225.5

1996–2025 normals for Cameron County — the climate division Harlingen sits in. All-time county record high 104.1°F (2024-05-10); record low 16.4°F (1962-01-12). Source: NOAA / National Weather Service.

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