Slidell, LA Monthly Weather

Saint Tammany Parish12:50 PM CDT30.28°N, 89.78°WElevation 3 ft
← September

October 2026

Sun
Mon
Tue
Wed
Thu
Fri
Sat
189°/71°Avg 84°/65°
288°/74°0.32 inAvg 84°/65°
389°/74°0.68 inAvg 83°/64°
485°/75°0.57 inAvg 83°/64°
5Avg 83°/64°
681°/71°Avg 82°/63°
784°/70°Avg 82°/63°
887°/69°Avg 82°/62°
985°/69°Avg 82°/62°
1081°/64°<0.01 inAvg 81°/62°
1180°/62°Avg 81°/61°
1283°/62°Avg 81°/61°
1387°/63°Avg 80°/60°
1487°/65°Avg 80°/60°
1587°/64°Avg 80°/60°
16Avg 79°/59°
1788°/53°<0.01 inAvg 79°/59°
1871°/42°Avg 79°/58°
1974°/40°Avg 78°/58°
20 Sunny 80°/50°Avg 78°/58°
21 Sunny 82°/53°Avg 78°/57°
22 Sunny 83°/54°Avg 77°/57°
23 Sunny 82°/55°Avg 77°/56°
24 Sunny 78°/54°Avg 77°/56°
25 Sunny 77°/54°Avg 76°/56°
26 Mostly Sunny 78°/52°Avg 76°/55°
27 Cloudy 79°/56°Avg 76°/55°
28 Cloudy 81°/60°Avg 75°/54°
29 Sunny 83°/58°Avg 75°/54°
30Avg 75°/54°
31Avg 74°/53°
Average high84° (normal 81°)
Average low64° (normal 62°)
Warmest / coldest89° / 40°
Precipitation1.57 in (normal 2.21 in to date)
Record high today89° (1993)
Record low today32° (1989)

Observed: Slidell, 2 km away, records since 1956. Normals 1991–2020. Climate data from NOAA's Regional Climate Centers (ACIS); recent days are preliminary. Days ahead: the forecast.

Forecasts, observations and alerts in the United States come from the National Weather Service (NOAA); radar from NOAA's Multi-Radar Multi-Sensor system; satellite imagery from NASA's Global Imagery Browse Services (GIBS) and NOAA's GOES satellites; the map from the U.S. Geological Survey's National Map; air quality from AirNow (EPA and its partners); hurricane information from the National Hurricane Center; climate normals and records from NOAA's Regional Climate Centers (ACIS). Forecasts outside the United States and the UV index: MET Norway (CC BY 4.0); observations outside the U.S.: airport reports via NOAA's Aviation Weather Center. Place names: GeoNames (CC BY 4.0). Data are copied on a schedule and may lag the sources; for warnings that affect your safety, follow your local National Weather Service office and emergency officials. Weather news is drawn from the 4Conservative index and reflects what the press published. Terms of use.