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Olmito and Olmito, TX Weather
Olmito and Olmito, Texas sits at 26.3400, -98.6420. Its warmest month is July, when the day usually reaches 100F, and its coldest is January, when the night usually falls to 46F. September is the wettest, with rain on about 7 days. The hottest day in the station record is 116F on June 14, 1998, and the coldest night 10F on January 12, 1962. This page carries live conditions, an hour by hour timeline, a ten day outlook, radar, monthly averages and searchable daily history back to 1940.
About Olmito and Olmito weather
Olmito and Olmito sits at 26.3400, -98.6420 and covers about 0.028 square miles. The forecast above is live: current conditions lead with the HRRR model, corrected against the nearest reporting station and against radar overhead, because a model can lag a storm and the radar cannot.
The tabs at the top of this page carry the hour by hour timeline, the ten day outlook and live radar. Where the models disagree about a day, the rock says so on the day rather than quietly picking a winner.
The rock grades itself against what actually happened and publishes the result whether it flatters it or not. Those standings live in the Receipts.
Where these numbers come from
Current conditions and forecast: NOAA forecast grids (the National Weather Service digital forecast, the National Blend of Models, HRRR and GFS) decoded on our own server, corrected against the nearest reporting station and our own radar. Open-Meteo is consulted only as a fallback when our server is silent.
Radar: NOAA MRMS merged reflectivity, rendered into tiles by myweatherrock.
Monthly averages and records: computed by myweatherrock from NOAA GHCN-Daily station records at the nearest qualifying station, named on this page with its distance. Measurements, not estimates.
Daily history search: the town's own NOAA GHCN-Daily station file, held on our server, measurements by day. Months the station missed fall back to the Open-Meteo historical archive (reanalysis), and the page says so when it does.
What the weather is usually like in Olmito and Olmito
Olmito and Olmito is warmest in July, when the day usually reaches 100F, and coldest in January, when the night usually falls to 46F. September is the wettest month, with rain on about 7 days of it.
Usual high and low, by month
Days with rain, by month
The same year as numbers
Month
Usual high
Usual low
Rain days
Snow days
January
71F
46F
6
0
February
77F
51F
4
0
March
82F
57F
5
0
April
89F
64F
4
0
May
94F
70F
4
0
June
98F
75F
4
0
July
100F
76F
4
0
August
100F
76F
4
0
September
94F
72F
7
0
October
89F
64F
5
0
November
79F
55F
5
0
December
72F
47F
6
0
Thirty-year normals, 1991 to 2020, computed from the daily record, measured at the Rio Grande City station 10.8 miles away. A rain day means at least a hundredth of an inch fell, the same measurable-precipitation mark the Weather Service uses. Source: computed from the station record, NOAA GHCN daily.
Olmito and Olmito weather history, back to 1940
Pick any month back to 1940 and see what the archive holds for Olmito and Olmito: the reanalysis record of what happened, day by day.
Reading this month last year to start you off.
Olmito and Olmito weather records
In 144,088 days of observations Olmito and Olmito has been as hot as 116F and as cold as 10F. Not averages: the actual days.
Hottest day
116F
June 14, 1998
Coldest night
10F
January 12, 1962
Wettest day
12.51 in
September 22, 1967
NOAA GHCN daily station records, observed 1892 to 2026: temperature at the Rio Grande City station, 10.8 miles away. Station measurements, not estimates. Record dates reflect the station's own observation schedule, and the official state record may live at a different station.
Common questions about Olmito and Olmito weather
Common questions
What is the weather usually like in Olmito and Olmito, TX?
Olmito and Olmito is warmest in July, when the day usually reaches 100F, and coldest in January, when the night usually falls to 46F. Rain falls on roughly 58 days a year, most often in September. Averages are thirty-year normals, 1991 to 2020, computed from the nearest NOAA station's own daily record.
How much does it rain in Olmito and Olmito, TX?
About 58 days a year see at least a hundredth of an inch, which is the Weather Service's measurable-precipitation mark. September is the wettest month with rain on about 7 of its days, and February the driest with about 4.
What is the hottest it has ever been in Olmito and Olmito, TX?
The hottest day measured for Olmito and Olmito reached 116F on June 14, 1998, and the coldest night 10F on January 12, 1962. Both are real NOAA station measurements from the GHCN daily archive, observed 1892 to 2026, at the Rio Grande City station. Not estimates, though the official state record may live at a different station.
Can I look up past weather for Olmito and Olmito, TX?
Yes, and for free. The History tab on this page takes any month back to 1940 and shows every day of it: the high, the low, what fell, and that month's hottest and coldest day. No account and no payment.
Is the Olmito and Olmito forecast on this page free, and does it track me?
It is free, carries no advertising, and needs no account. Nothing about a visitor leaves the device except the coordinates needed to fetch a forecast, and those are not stored against anyone.