Seaside Beach Weather Forecast
- 59
- 68
Rain Likely
- 56
- 69
Chance Rain Showers
- 51
- 64
Chance Rain Showers
- 51
- 65
Mostly Cloudy
- 51
- 64
Chance Rain Showers
- 52
- 64
Chance Rain Showers
Today 20 Sep Southern Fairfield
Partly sunny. Highs in the upper 60s.
Tonight 20 Sep Southern Fairfield
Mostly cloudy. Rain Likely, mainly in the evening. Lows in the upper 50s. Southwest Winds 5 to 10 Mph, becoming north 10 to 15 Mph after midnight. Chance of rain 70 percent.
Seaside Beach Temperature Statistics
September Temperature
Bridgeport, Sikorsky Memorial Airport (3.7 miles)
Lowest 15 September, 2026
52.6 °FAverage September
71 °FHighest 10 September, 2026
87.7 °F
Climate (2021–2026)
Bridgeport, Sikorsky Memorial Airport (3.7 miles)
Average Low 2021–2026
47.1 °FAverage 2021–2026
54.6 °FAverage High 2021–2026
62.2 °F