Baton Rouge, LA Weather
Baton Rouge hourly forecast: next 24 hours
Today's high of 95°F (35°C) is about 8°F (4°C) above the typical September high of 87°F (31°C).
Current conditions in detail
Baton Rouge weather tomorrow (Thursday, September 17)
Tomorrow in Baton Rouge looks sunny, with a high of 94° and an overnight low of 76°. Rain is unlikely (3% chance). Winds top out near 12 mph, and the UV index reaches 9 (very high).
Baton Rouge 14-day forecast
About the weather in Baton Rouge
Set in Louisiana, United States, Baton Rouge works through a humid subtropical year: July afternoons near 90°F (32°C), January afternoons near 61°F (16°C), and about 61.9 inches (1572 mm) of precipitation between them.
Baton Rouge weather: quick facts
- Hottest month: July - highs near 90°F (32°C)
- Coldest month: January - highs near 61°F (16°C)
- Decade extremes (2015-2024): 104°F (40°C) high · 16°F (-9°C) low
- Wettest month: August (18 rainy days) · Sunniest: June (11.5 h sun/day)
- Climate type: humid subtropical
- Annual swing: 17°C between the average warmest and coolest month · day to night: 9°C
- Months averaging 30°C or hotter: 4
- Average humidity: 77%
Temperatures through the year
Six of the twelve months pair mild highs with fewer than twelve wet days; the longest unbroken run is February through April. January sits at the other end of the year: 61°F (16°C) by day, 44°F (7°C) at night. At its warmest, in July, Baton Rouge runs to 90°F (32°C) in the afternoon and back to 76°F (25°C) by dawn. The gridded 2015-2024 daily record for this location tops out at 104°F (40°C) and bottoms at 16°F (-9°C) - decade extremes, not all-time station records. June is the brightest month at 11.5 hours of sun a day, against an annual average of 9.2.
Rain, sun and snow
Average highs hold at or above 30°C for 4 months of the year, June through September being the unbroken run. Precipitation concentrates in August - 7.7 inches (196 mm) on 18 days - and thins out by October.
Season by season
Spring (March through May)
Spring in Baton Rouge settles into easy warmth, with daytime highs averaging 78°F (25°C) and nights around 61°F (16°C); rain falls on around 35 of the 90 days.
Summer (June through August)
Through summer, Baton Rouge brings hot afternoons: 89°F (32°C) by day, 75°F (24°C) after dark, and rain falls on around 51 of the 90 days. Daylight is generous - around 10.8 hours of sun a day. With the moisture factored in, afternoons feel hotter than the reading suggests - the humidity and dew point converter shows why.
Fall (September through November)
Through fall, Baton Rouge settles into easy warmth: 79°F (26°C) by day, 63°F (17°C) after dark, and expect showers on roughly 28 days across the season.
Winter (December through February)
Winter runs cool rather than cold here - highs near 64°F (18°C), nights near 47°F (9°C), and rain falls on around 32 of the 90 days.
Average temperatures in Baton Rouge by month
| Month | High | Low | Rain days | Precipitation | Sunshine | Humidity |
|---|---|---|---|---|---|---|
| January | 61° | 44° | 10 | 5.1 in | 7.3 h/day | 75% |
| February | 66° | 49° | 10 | 4.3 in | 7.4 h/day | 77% |
| March | 72° | 55° | 11 | 5.2 in | 8.6 h/day | 77% |
| April | 77° | 60° | 12 | 6.0 in | 9.5 h/day | 76% |
| May | 84° | 68° | 12 | 5.2 in | 10.8 h/day | 77% |
| June | 88° | 74° | 15 | 5.3 in | 11.5 h/day | 79% |
| July | 90° | 76° | 18 | 5.7 in | 10.7 h/day | 80% |
| August | 90° | 76° | 18 | 7.7 in | 10.2 h/day | 79% |
| September | 87° | 72° | 12 | 4.6 in | 10.3 h/day | 77% |
| October | 81° | 63° | 7 | 3.3 in | 9.4 h/day | 72% |
| November | 71° | 53° | 9 | 3.9 in | 8.0 h/day | 75% |
| December | 65° | 49° | 11 | 5.6 in | 6.8 h/day | 79% |