Thompson Island Weather Forecast
- 45
- 49
Rain
- 44
- 51
Chance Rain Showers
- 42
- 50
Slight Chance Rain Showers
- 42
- 52
Partly Sunny
- 43
- 50
Rain Showers Likely
- 43
- 49
Rain Showers Likely
Today 9 May Knox
Partly sunny this Morning, then rain this afternoon. Highs in the upper 50s. Light and variable Winds, becoming south around 10 Mph with Gusts up to 20 Mph this afternoon. Chance of rain near 100 percent.
Tonight 9 May Knox
Showers, mainly in the evening. Lows in the mid 40s. South Winds around 10 Mph. Chance of rain near 100 percent.
Thompson Island Temperature Statistics
May Temperature
Rockland, Knox County Regional Airport (15.5 miles)
Lowest 4 May, 2026
32 °FAverage May
49.3 °FHighest 4 May, 2026
63 °F
Climate (2021–Present)
Rockland, Knox County Regional Airport (15.5 miles)
Average Low 2021–2026
39.6 °FAverage 2021–2026
47.6 °FAverage High 2021–2026
54.8 °F