Harstad Slough Weather Forecast
- 62
- 73
Rain Showers Likely
- 59
- 68
Rain Showers Likely
- 56
- 70
Chance Rain Showers
- 56
- 75
Slight Chance Thunderstorms
- 56
- 77
Slight Chance Thunderstorms
- 55
- 75
Partly Sunny
- 54
- 73
Partly Sunny
Today 18 Sep Stevens
Mostly cloudy. Slight chance of Thunderstorms in the late morning and early afternoon. Chance of Showers early in the Afternoon, then chance of Thunderstorms late in the afternoon. Highs in the lower 70s. Southeast Winds 5 to 15 Mph. Chance of precipitation 50 percent.
Tonight 18 Sep Stevens
Mostly cloudy. Slight chance of Thunderstorms early in the Evening, then chance of Thunderstorms. Showers likely late in the night. Patchy fog late in the night. Lows in the lower 60s. Southeast Winds up to 10 Mph. Chance of precipitation 70 percent.
Harstad Slough Temperature Statistics
September Temperature
Morris, Morris Municipal Airport (8.7 miles)
Lowest 7 September, 2025
39.2 °FAverage September
62.6 °FHighest 14 September, 2025
87.8 °F
Climate (2020–Present)
Morris, Morris Municipal Airport (8.7 miles)
Average Low 2020–2025
34.3 °FAverage 2020–2025
44.4 °FAverage High 2020–2025
54.6 °F