Hanover, Ontario is in for a mixed week of weather as a sunny Monday gives way to several days of unsettled conditions, according to Environment Canada. No weather alerts are in effect for the area, but residents should keep an umbrella close from Tuesday through Friday.
Monday, June 15, 2026 is the bright spot of the week with mainly sunny skies and a high of 18°C. Winds from the west at 20 km/h gusting to 40 will make it feel a bit cooler, and the UV index is expected to reach 7, which is considered high. At the Mount Forest weather station, which provides official readings for the Hanover area, conditions at 2:00 p.m. showed a temperature of 15.9°C with humidity at 52%.
The rest of the work week looks less stable. Tuesday brings a mix of sun and cloud with a 40 percent chance of afternoon showers and a risk of a thunderstorm, and a high of 21°C. Wednesday carries a 60 percent chance of showers or thunderstorms with a high of 22°C. Thursday is cloudy with a 60 percent chance of showers and a high of 19°C, and is also expected to be windy. Friday rounds out the week with a 40 percent chance of showers and a high of 19°C under a mix of sun and cloud.
June is typically Hanover’s wettest month, averaging about 105 mm of rain. Environment Canada’s climate normals for the area show a daytime high of 22°C and overnight low of 12°C for this time of year. The long-range summer outlook from The Weather Network calls for above-normal rainfall across southern Ontario, with more frequent interruptions from showers and thunderstorms but no significant washouts.
Sunrise in Hanover on Monday is at 5:40 a.m. with sunset at 9:09 p.m., giving residents plenty of daylight to enjoy the dry start to the week before the rain moves in.
