St. Louis Veður Spá
St. Louis weather: 25°C, skýjað. Á klukkustund forecast, 14-day outlook, UV, air quality and the best time til visit.
Samantekt
St. Louis is a city in Missouri. St. Louis is known for Gateway Arch and blues. Íbúafjöldinn er um 290.000.
Núna er hitinn 25°C (78°F) in St. Louis með skýjað. Hitinn finnst vera 29°C. Í dag er hitinn frá 24°C til 36°C. Líkur á úrkomu eru 19%. Sightseeing conditions score 9.1/10 - frábært — farðu núna.
Besti tíminn til að heimsækja St. Louis is ágúst, september and október. Loftslagið er continental. janúar, febrúar and desember tend til be the least comfortable months. júlí is the warmest month með average highs near 31°C, while janúar is the coldest með lows near -6°C.
The closest major airport is Nashville International Airport (BNA), about 417 km away. Nearby highlights include Gateway Arch National Park, Starved Rock State Park and Mammoth Cave National Park.
Í einföldu máli. Today is much warmer than average for september. The forecast high of 36°C is 8.1°C above the 28°C typical for this month. The best window til be outside is roughly 7 AM til 10 AM, when temperature, rain chance and wind line up best. fishing is the strongest bet in St. Louis today at 9.3/10. 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 St. Louis
Heat Advisory issued september 16 at 2:51AM CDT until september 18 at 8:00PM CDT by NWS St Louis MO
Issued by NWS St Louis MO
Veður í St. Louis núna
Open-Meteo Updated 5:23 AM, sep 16 local time.
Sjá spá fyrir St. Louis eftir tímabili
Næstu 24 klukkustundir
Hitastig, líkur á úrkomu og vindur eftir klukkustundum
16-day forecast for St. Louis
Hæst / Lægst; Úrkoma; UV
| Dagur | Aðstæður | Hæst / Lægst | Úrkoma | Vindur | UV |
|---|---|---|---|---|---|
| mið., sep 16 | ☁️ Skýjað | 36° / 24° | 19% | 20 km/h | 6 |
| fim., sep 17 | 🌦️ Light drizzle | 36° / 23° | 32% · 1 mm | 15 km/h | 6 |
| fös., sep 18 | ☁️ Skýjað | 38° / 27° | 3% | 18 km/h | 6 |
| lau., sep 19 | ☁️ Skýjað | 36° / 27° | 10% | 14 km/h | 5 |
| sun., sep 20 | ☁️ Skýjað | 37° / 27° | 19% | 13 km/h | 5 |
| mán., sep 21 | 🌦️ Light drizzle | 31° / 23° | 24% · 0 mm | 18 km/h | 5 |
| þri., sep 22 | 🌤️ Að mestu heiðskýrt | 31° / 19° | 21% | 7 km/h | 6 |
| mið., sep 23 | 🌦️ Light drizzle | 34° / 20° | 11% · 1 mm | 20 km/h | 5 |
| fim., sep 24 | ☁️ Skýjað | 27° / 17° | 9% | 23 km/h | 5 |
| fös., sep 25 | ☀️ Heiðskýrt | 24° / 14° | 12% | 17 km/h | 6 |
| lau., sep 26 | ☀️ Heiðskýrt | 26° / 13° | 10% | 10 km/h | 6 |
| sun., sep 27 | ⛅ Skýjað að hluta | 29° / 13° | 14% | 13 km/h | 6 |
| mán., sep 28 | ⛅ Skýjað að hluta | 32° / 15° | 14% | 10 km/h | 6 |
| þri., sep 29 | ⛅ Skýjað að hluta | 32° / 18° | 15% | 11 km/h | 6 |
| mið., sep 30 | ☁️ Skýjað | 31° / 20° | 16% | 16 km/h | 5 |
| fim., okt 1 | ☀️ Heiðskýrt | -- / -- | 13% | -- | — |
Loftslag in St. Louis month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| Mánuður | Avg high | Avg low | Rigningfall | Rating |
|---|---|---|---|---|
| janúar | 2° | -6° | 74 mm | ★★☆☆☆ |
| febrúar | 9° | -1° | 35 mm | ★★★☆☆ |
| mars | 17° | 5° | 104 mm | ★★★☆☆ |
| apríl | 21° | 11° | 180 mm | ★★★☆☆ |
| maí | 24° | 14° | 152 mm | ★★★★☆ |
| júní | 30° | 20° | 149 mm | ★★★★☆ |
| júlí | 31° | 22° | 137 mm | ★★★★☆ |
| ágúst | 30° | 21° | 56 mm | ★★★★☆ |
| september | 28° | 17° | 70 mm | ★★★★☆ |
| október | 21° | 11° | 49 mm | ★★★★☆ |
| nóvember | 14° | 5° | 85 mm | ★★★☆☆ |
| desember | 8° | -0° | 62 mm | ★★★☆☆ |
Loftslag type: Heimsálfaal. Heimild: Open-Meteo archive (ERA5).
Veður map for St. Louis
Animated model layers. Pick a layer til load it.
Animated layers by Vindury. For pin-level detail and nearby places, see the interactive map below.
Loftgæði and pollen in St. Louis
Loftgæði: 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 til visit St. Louis
Go in ágúst, september and október. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: janúar, febrúar and desember - expect the least comfortable mix of heat, cold or rain.
Explore St. Louis
Every topic we hold for this place, and the same topic for the places around it.
Veður for related places
Frequently asked questions
Where is St. Louis?
St. Louis is a city in Missouri. Its coordinates are 38.627, -90.1994. It lies in Norður-Ameríka.
What is the weather like in St. Louis núna?
It is currently 25°C (78°F) með skýjað. Raki is 82% and wind is 11 km/h.
When is the best time til visit St. Louis?
ágúst, september and október offer the most comfortable conditions in St. Louis, which has a continental climate. janúar, febrúar and desember are usually the hardest months for outdoor plans.
What time zone is St. Louis in?
St. Louis observes America/Chicago (UTC-05:00). The local time is 5:23 AM.
How many people live in St. Louis?
St. Louis has a population of approximately 290.000.
What is the nearest airport til St. Louis?
The closest airports are Nashville International Airport (BNA), 417 km away and O'Hare International Airport (ORD), 420 km away.
What are the top things til do in St. Louis?
Popular options include Gateway Arch National Park, Starved Rock State Park and Mammoth Cave National Park.
Related articles
Data sources and methodology
| Place data | USPOTUS Atlas dataset (cities-us) - coordinates, hierarchy and facts. |
|---|---|
| Spá and observations | Open-Meteo (ECMWF and national models). |
| Loftgæði and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Loftslag averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Official alerts | US National Veður 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 16, 2026 at 5:23 AM local time. Live blocks refresh every 15 minutes; climate averages monthly.
