New Orleans, LA Weather
New Orleans hourly forecast: next 24 hours
Today's high of 94°F (35°C) is about 9°F (5°C) above the typical September high of 85°F (29°C).
Current conditions in detail
New Orleans weather tomorrow (Wednesday, September 16)
Tomorrow in New Orleans looks patchy rain nearby, with a high of 91° and an overnight low of 80°. Precipitation chance is modest at 36%. Winds top out near 16 mph, and the UV index reaches 9 (very high).
New Orleans 14-day forecast
About the weather in New Orleans
New Orleans is genuinely wet: 68.7 inches (1746 mm) falls in an average year, across 163 days that carry about 10.7 mm each when they come. Temperatures are the calmer variable, running 61°F (16°C) to 88°F (31°C) between January and August.
New Orleans weather: quick facts
- Hottest month: August - highs near 88°F (31°C)
- Coldest month: January - highs near 61°F (16°C)
- Decade extremes (2015-2024): 102°F (39°C) high · 22°F (-5°C) low
- Wettest month: August (20 rainy days) · Sunniest: June (11.3 h sun/day)
- Climate type: humid subtropical
- Annual swing: 16°C between the average warmest and coolest month · day to night: 7°C
- Months averaging 30°C or hotter: 3
- Average humidity: 78%
Temperatures through the year
At its warmest, in August, New Orleans runs to 88°F (31°C) in the afternoon and back to 78°F (26°C) by dawn. January is the coolest month, with highs of 61°F (16°C) and lows near 48°F (9°C). The gridded 2015-2024 daily record for this location tops out at 102°F (39°C) and bottoms at 22°F (-5°C) - decade extremes, not all-time station records. Precipitation concentrates in August - 8.9 inches (225 mm) on 20 days - and thins out by November.
Rain, sun and snow
Six of the twelve months pair mild highs with fewer than twelve wet days; the longest unbroken run is February through April. Sunshine averages 9.4 hours a day over the year, peaking in June at 11.3 hours.
Season by season
Spring (March through May)
Spring brings comfortable warmth here - highs near 77°F (25°C), nights near 64°F (18°C), and rain falls on around 37 of the 90 days.
Summer (June through August)
Summer runs hot here - highs near 88°F (31°C), nights near 77°F (25°C), and rain falls on around 59 of the 90 days. Daylight is generous - around 10.7 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, New Orleans is mild and warm: 78°F (26°C) by day, 66°F (19°C) after dark, and rain falls on around 33 of the 90 days.
Winter (December through February)
Through winter, New Orleans stays on the cool side of mild: 64°F (18°C) by day, 51°F (11°C) after dark, and rain falls on around 34 of the 90 days.
Average temperatures in New Orleans by month
| Month | High | Low | Rain days | Precipitation | Sunshine | Humidity |
|---|---|---|---|---|---|---|
| January | 61° | 48° | 12 | 4.5 in | 7.5 h/day | 76% |
| February | 66° | 53° | 11 | 4.2 in | 8.0 h/day | 78% |
| March | 72° | 59° | 12 | 5.1 in | 9.0 h/day | 77% |
| April | 76° | 63° | 12 | 4.8 in | 9.8 h/day | 74% |
| May | 83° | 71° | 14 | 5.4 in | 11.1 h/day | 76% |
| June | 87° | 76° | 18 | 7.8 in | 11.3 h/day | 79% |
| July | 88° | 78° | 21 | 8.0 in | 10.7 h/day | 82% |
| August | 88° | 78° | 20 | 8.9 in | 10.0 h/day | 80% |
| September | 85° | 75° | 15 | 6.6 in | 10.2 h/day | 79% |
| October | 79° | 67° | 8 | 4.1 in | 9.6 h/day | 75% |
| November | 70° | 58° | 10 | 3.7 in | 8.1 h/day | 76% |
| December | 65° | 53° | 12 | 5.6 in | 7.1 h/day | 80% |