Portsmouth Charter Township Weather Forecast
- 58
- 80
Partly Sunny
- 51
- 71
Partly Sunny
- 54
- 77
Mostly Cloudy
- 60
- 83
Chance Rain Showers
- 60
- 80
Chance Rain Showers
- 56
- 79
Chance Rain Showers
Today 18 Sep Bay
Sunny with a slight chance of Showers in the Morning, then partly cloudy with a chance of Showers and a slight chance of Thunderstorms in the afternoon. Highs around 80. Temperatures falling into the in the upper 60s in the afternoon. Northwest Winds 5 to 10 Mph, becoming northeast 5 to 15 Mph with Gusts up to 25 Mph in the afternoon. Chance of rain 30 percent.
Tonight 18 Sep Bay
Partly cloudy in the Evening, then becoming mostly cloudy. Lows in the upper 50s. Northeast Winds up to 10 Mph.
Portsmouth Charter Township Temperature Statistics
September Temperature
Saginaw County H W Browne Airport (8.7 miles)
Lowest 8 September, 2025
37.4 °FAverage September
60.7 °FHighest 14 September, 2025
82.4 °F
Climate (2020–Present)
Saginaw County H W Browne Airport (8.7 miles)
Average Low 2020–2025
41 °FAverage 2020–2025
49.9 °FAverage High 2020–2025
58.8 °F