Donaldsonville, LA Weather Forecast
Local 7-day forecast
Partly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Donaldsonville, LA in one place.
Partly sunny. High near 89, with temperatures falling to around 85 in the afternoon. North wind 0 to 15 mph.
Local Weather Overview
This forecast page for Donaldsonville, LA is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Oct 15, 2026 5:15 PM CDT.
The active forecast window currently covers Oct 16 to Oct 21, 2026 for Donaldsonville, LA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 16 to Oct 21, 2026
- Latest sync
- Oct 15, 2026 5:15 PM CDT
- Forecast office
- LIX
- Source
- NOAA / NWS
Daily Outlook
This Week in Donaldsonville
Friday looks like the warmest upcoming period in Donaldsonville at 89 degrees F.
Saturday Night is the coolest period ahead with temperatures near 51 degrees F.
The strongest winds are forecast for Friday at about 0 to 15 mph N.
The forecast from Oct 16 through Oct 21 stays mostly dry.
Forecast Details
- Last updated
- Oct 15, 2026 5:15 PM CDT
- Coverage
- 6 days
- Time zone
- America/Chicago
- Forecast office
- LIX
- Radar station
- KLIX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Mostly clear, with a low around 54. North wind around 15 mph, with gusts as high as 30 mph.
Sunny, with a high near 73. North wind 10 to 15 mph, with gusts as high as 30 mph.
Clear, with a low around 51. Northeast wind 5 to 10 mph.
Sunny, with a high near 75. Northeast wind 5 to 10 mph.
Mostly clear, with a low around 55. Northeast wind 0 to 5 mph.
Sunny, with a high near 79. Northeast wind 5 to 10 mph.
Mostly clear, with a low around 58. East wind 0 to 5 mph.
Sunny, with a high near 84. Northeast wind around 5 mph.
Mostly clear, with a low around 57. East wind 0 to 5 mph.
Sunny, with a high near 86. Northeast wind around 5 mph.
Clear, with a low around 58. East wind 0 to 5 mph.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Friday
Oct 16
|
Partly Sunny
|
89°F |
0 to 15 mph
N
|
|
Friday Night
Oct 16
|
Mostly Clear
|
54°F |
15 mph
N
|
|
Saturday
Oct 17
|
Sunny
|
73°F |
10 to 15 mph
N
|
|
Saturday Night
Oct 17
|
Clear
|
51°F |
5 to 10 mph
NE
|
|
Sunday
Oct 18
|
Sunny
|
75°F |
5 to 10 mph
NE
|
|
Sunday Night
Oct 18
|
Mostly Clear
|
55°F |
0 to 5 mph
NE
|
|
Monday
Oct 19
|
Sunny
|
79°F |
5 to 10 mph
NE
|
|
Monday Night
Oct 19
|
Mostly Clear
|
58°F |
0 to 5 mph
E
|
|
Tuesday
Oct 20
|
Sunny
|
84°F |
5 mph
NE
|
|
Tuesday Night
Oct 20
|
Mostly Clear
|
57°F |
0 to 5 mph
E
|
|
Wednesday
Oct 21
|
Sunny
|
86°F |
5 mph
NE
|
|
Wednesday Night
Oct 21
|
Clear
|
58°F |
0 to 5 mph
E
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Donaldsonville.
