Mekong River Weather Forecast
Mekong River weather: 90°F, overcast. Hourly forecast, 14-day outlook, UV, air quality and the best time to visit.
Summary
Mekong River is a river in Laos. Mekong River is a river known as a transboundary Southeast Asian river.
Right now it is 90°F (32°C) in Mekong River with overcast. It feels like 96°F. Today runs from 78°F to 90°F. Chance of precipitation is 72%. Sightseeing conditions score 6.6/10 - fair - plan around the weather.
The best time to visit Mekong River is January, February, March, November and December. The climate is tropical. May, June and September tend to be the least comfortable months. April is the warmest month with average highs near 96°F, while January is the coldest with lows near 62°F.
In plain terms. Today is slightly warmer than average for August. The forecast high of 90°F is 3.1°F above the 87°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. fishing is the strongest bet in Mekong River today at 7.7/10. Wet roads are likely; braking distances roughly double in heavy rain.
Compiled from this page's own data: atlas facts plus live Open-Meteo readings.
Weather in Mekong River right now
Wear sunglasses and use SPF 30+ if you are outside for long.
Source: Open-Meteo. Updated 6:17 PM, Aug 22 local time.
Next 24 hours
Hour-by-hour temperature, precipitation chance and wind.
16-day forecast for Mekong River
Daily highs and lows, precipitation and UV.
| Day | Conditions | High / Low | Precip | Wind | UV |
|---|---|---|---|---|---|
| Sat, Aug 22 | ⛈️ Thunderstorm | 90° / 78° | 72% · 0,0 in | 11 mph | 7 |
| Sun, Aug 23 | ⛈️ Thunderstorm with hail | 90° / 77° | 79% · 0,3 in | 12 mph | 4 |
| Mon, Aug 24 | ⛈️ Thunderstorm | 89° / 78° | 68% · 0,1 in | 13 mph | 4 |
| Tue, Aug 25 | ⛈️ Thunderstorm | 89° / 77° | 78% · 0,2 in | 12 mph | 1 |
| Wed, Aug 26 | 🌦️ Light drizzle | 89° / 79° | 80% · 0,1 in | 11 mph | 6 |
| Thu, Aug 27 | ⛈️ Thunderstorm | 88° / 78° | 88% · 0,4 in | 9 mph | 4 |
| Fri, Aug 28 | ⛈️ Thunderstorm | 87° / 77° | 86% · 0,2 in | 9 mph | 7 |
| Sat, Aug 29 | ⛈️ Thunderstorm | 87° / 77° | 90% · 0,3 in | 8 mph | 8 |
| Sun, Aug 30 | 🌦️ Drizzle | 83° / 77° | 93% · 0,4 in | 8 mph | 7 |
| Mon, Aug 31 | 🌧️ Heavy drizzle | 80° / 76° | 90% · 0,8 in | 9 mph | 1 |
| Tue, Sep 1 | ⛈️ Thunderstorm | 86° / 76° | 90% · 0,5 in | 5 mph | 2 |
| Wed, Sep 2 | ⛈️ Thunderstorm | 85° / 78° | 80% · 0,7 in | 7 mph | 4 |
| Thu, Sep 3 | ⛈️ Thunderstorm | 80° / 77° | 82% · 1,4 in | 7 mph | 1 |
| Fri, Sep 4 | 🌦️ Light showers | 87° / 75° | 76% · 0,4 in | 3 mph | 2 |
| Sat, Sep 5 | ⛈️ Thunderstorm | 88° / 74° | 77% · 0,7 in | 7 mph | 8 |
| Sun, Sep 6 | ⛈️ Thunderstorm | 88° / 73° | 68% · 0,3 in | 5 mph | 8 |
Climate in Mekong River 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 | 81° | 62° | 0,4 in | ★★★★☆ |
| February | 87° | 68° | 0,4 in | ★★★★★ |
| March | 91° | 72° | 0,7 in | ★★★★☆ |
| April | 96° | 77° | 2,4 in | ★★★★☆ |
| May | 91° | 77° | 9,7 in | ★★☆☆☆ |
| June | 89° | 77° | 13,7 in | ★★☆☆☆ |
| July | 87° | 76° | 17,7 in | ★★★☆☆ |
| August | 87° | 76° | 10,9 in | ★★☆☆☆ |
| September | 87° | 75° | 19,8 in | ★★☆☆☆ |
| October | 88° | 74° | 7,8 in | ★★★☆☆ |
| November | 85° | 70° | 1,4 in | ★★★★☆ |
| December | 83° | 66° | 0,2 in | ★★★★★ |
Climate type: Tropical. Source: Open-Meteo archive (ERA5).
Weather map for Mekong River
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 Mekong River
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 Mekong River
Go in January, February, March, November and December. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: May, June and September - expect the least comfortable mix of heat, cold or rain.
Explore Mekong River
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 Mekong River?
Mekong River is a river in Laos. Its coordinates are 17.9757, 102.6331. It lies in Asia.
What is the weather like in Mekong River right now?
It is currently 90°F (32°C) with overcast. Humidity is 63% and wind is 10 mph.
When is the best time to visit Mekong River?
January, February, March, November and December offer the most comfortable conditions in Mekong River, which has a tropical climate. May, June and September are usually the hardest months for outdoor plans.
What time zone is Mekong River in?
Mekong River observes Asia/Vientiane (UTC+07:00). The local time is 6:17 PM.
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. |
| 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 August 22, 2026 at 6:17 PM local time. Live blocks refresh every 15 minutes; climate averages monthly.





