Long Beach Weather Forecast
- 76
- 90
Mostly Sunny
- 75
- 90
Chance Thunderstorms
- 74
- 89
Slight Chance Thunderstorms
- 74
- 90
Mostly Sunny
- 71
- 88
Mostly Sunny
- 72
- 86
Partly Sunny
- 71
- 85
Partly Sunny
Today 20 Sep Southern Harrison
Mostly sunny. A slight chance of Showers and Thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 20 percent.
Tonight 20 Sep Southern Harrison
Mostly clear. Lows in the mid 70s. Southwest Winds around 5 Mph, becoming west after midnight.
Long Beach Temperature Statistics
September Temperature
Gulfport - Gulfport-Biloxi International Airport (5.6 miles)
Lowest 18 September, 2026
70 °FAverage September
83.8 °FHighest 9 September, 2026
94.6 °F
Climate (2021–2026)
Gulfport - Gulfport-Biloxi International Airport (5.6 miles)
Average Low 2021–2026
61.7 °FAverage 2021–2026
70.5 °FAverage High 2021–2026
79.6 °F