Rio Grande Weather Forecast
Rio Grande weather: 81°F, clear. Hourly forecast, 14-day outlook, UV, air quality and the best time to visit.
Summary
Rio Grande is a river in Texas. Rio Grande is a river known as the US-Mexico border river.
Right now it is 81°F (27°C) in Rio Grande with clear. It feels like 81°F. Today runs from 71°F to 90°F. Chance of precipitation is 29%. Sightseeing conditions score 8.7/10 - excellent - go now.
The best time to visit Rio Grande is February, March, April, May, September, October, November and December. The climate is hot and arid. January, July and August tend to be the least comfortable months. June is the warmest month with average highs near 100°F, while January is the coldest with lows near 45°F.
Nearby highlights include Big Bend National Park, Guadalupe Mountains National Park and Carlsbad Caverns National Park.
In plain terms. Today is slightly cooler than average for September. The forecast high of 90°F is 2.9°F below the 93°F typical for this month. The best window to be outside is roughly 7 AM to 10 AM, when temperature, rain chance and wind line up best. stargazing is the strongest bet in Rio Grande today at 9.1/10. No weather-related travel disruption is expected today. Roads and airports should run normally.
Compiled from this page's own data: atlas facts plus live Open-Meteo readings.
Active alerts for Rio Grande
Derived from the forecast. No official alert feed is wired for this country yet.
Weather in Rio Grande right now
Source: Open-Meteo. Updated 11:28 PM, Sep 20 local time.
Next 24 hours
Hour-by-hour temperature, precipitation chance and wind.
16-day forecast for Rio Grande
Daily highs and lows, precipitation and UV.
| Day | Conditions | High / Low | Precip | Wind | UV |
|---|---|---|---|---|---|
| Sun, Sep 20 | ⛅ Partly cloudy | 90° / 71° | 29% | 14 mph | 7 |
| Mon, Sep 21 | ☁️ Overcast | 97° / 74° | 3% | 20 mph | 8 |
| Tue, Sep 22 | ☁️ Overcast | 90° / 74° | 7% | 21 mph | 7 |
| Wed, Sep 23 | 🌦️ Drizzle | 92° / 77° | 5% · 0,0 in | 21 mph | 7 |
| Thu, Sep 24 | ☁️ Overcast | 92° / 76° | 8% | 17 mph | 7 |
| Fri, Sep 25 | ☁️ Overcast | 93° / 77° | 14% | 13 mph | 8 |
| Sat, Sep 26 | 🌤️ Mainly clear | 94° / 78° | 14% | 11 mph | 8 |
| Sun, Sep 27 | ☁️ Overcast | 94° / 79° | 9% | 9 mph | 7 |
| Mon, Sep 28 | ☁️ Overcast | 96° / 80° | 15% | 6 mph | 8 |
| Tue, Sep 29 | ☁️ Overcast | 95° / 83° | 16% | 7 mph | 7 |
| Wed, Sep 30 | 🌦️ Light drizzle | 95° / 81° | 14% · 0,0 in | 12 mph | 7 |
| Thu, Oct 1 | 🌦️ Light drizzle | 93° / 79° | 10% · 0,1 in | 11 mph | 7 |
| Fri, Oct 2 | ☁️ Overcast | 94° / 78° | 10% | 12 mph | 7 |
| Sat, Oct 3 | 🌦️ Light drizzle | 96° / 78° | 7% · 0,0 in | 9 mph | 8 |
| Sun, Oct 4 | 🌦️ Light drizzle | 86° / 70° | 13% · 0,1 in | 22 mph | 7 |
| Mon, Oct 5 | ☀️ Clear sky | 79° / 66° | 10% | 16 mph | 7 |
Climate in Rio Grande month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| Month | Avg high | Avg low | Rainfall | Rating |
|---|---|---|---|---|
| January | 64° | 45° | 0,2 in | ★★★★☆ |
| February | 76° | 55° | 0,2 in | ★★★★★ |
| March | 82° | 60° | 0,0 in | ★★★★★ |
| April | 88° | 66° | 0,4 in | ★★★★★ |
| May | 95° | 73° | 0,7 in | ★★★★☆ |
| June | 100° | 78° | 0,8 in | ★★★★☆ |
| July | 96° | 77° | 1,6 in | ★★★★☆ |
| August | 98° | 79° | 0,7 in | ★★★★☆ |
| September | 93° | 75° | 0,7 in | ★★★★☆ |
| October | 87° | 68° | 0,3 in | ★★★★★ |
| November | 77° | 58° | 0,3 in | ★★★★★ |
| December | 71° | 53° | 0,2 in | ★★★★★ |
Climate type: Hot and arid. Source: Open-Meteo archive (ERA5).
Weather map for Rio Grande
Animated model layers. Pick a layer to load it.
Animated layers by Windy. For pin-level detail and nearby places, see the interactive map below.
Air quality and pollen in Rio Grande
Air quality: Open-Meteo (CAMS). US AQI scale.
Sun, twilight and moon
Golden and blue hour are the standard photographic approximation around sunrise and sunset.
Best time to visit Rio Grande
Go in February, March, April, May, September, October, November and December. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: January, July and August - expect the least comfortable mix of heat, cold or rain.
Explore Rio Grande
Every topic we hold for this place, and the same topic for the places around it.
Weather for related places
Frequently asked questions
Where is Rio Grande?
Rio Grande is a river in Texas. Its coordinates are 29.1275, -103.2425. It lies in North America.
What is the weather like in Rio Grande right now?
It is currently 81°F (27°C) with clear. Humidity is 48% and wind is 6 mph.
When is the best time to visit Rio Grande?
February, March, April, May, September, October, November and December offer the most comfortable conditions in Rio Grande, which has a hot and arid climate. January, July and August are usually the hardest months for outdoor plans.
What time zone is Rio Grande in?
Rio Grande observes America/Chicago (UTC-05:00). The local time is 11:28 PM.
What are the top things to do in Rio Grande?
Popular options include Big Bend National Park, Guadalupe Mountains National Park and Carlsbad Caverns National Park.
Related articles
Data sources and methodology
| Place data | USPOTUS Atlas dataset (rivers) - coordinates, hierarchy and facts. |
|---|---|
| Forecast and observations | Open-Meteo (ECMWF and national models). |
| Air quality and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Climate averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Official alerts | US National Weather Service. |
| Method | Scores, comparisons and advice on this page are computed from the inputs above. Distances are straight-line. Nothing is estimated where data is missing - the block is simply not shown. |
Last updated September 20, 2026 at 11:28 PM local time. Live blocks refresh every 15 minutes; climate averages monthly.
