Current Conditions

Belleville, Ontario

69°F21°C
Rain

Wind

SSE 7 mph11 km/h

Humidity

96%

Cloud Cover

97%

As of Wednesday, September 2, 2026 at 8:02 AM EDT

Today's Outlook

Day

Overcast and warm, with a high of 76°F24°C and morning low of 69°F21°C. Breezy from the SSW at 8 to 10 mph14 to 16 km/h. 58% chance of light rain throughout the day. Heavy, humid air.

Night

Overcast, with a low around 68°F20°C. Breezy from the S at 6 to 7 mph9 to 12 km/h. 97% chance of rain in the evening.

7-Day Forecast

DayConditionHigh (°F)Low (°F)Precip (mm)Cloud Cover (%)Wind (mph)
RainHigh 76°F24°CLow 68°F20°CPrecip 0.59 in15 mm97%Cloud 97%Wind S 7 mph11 km/hWednesday: Overcast and warm, with a high of 76°F24°C and morning low of 69°F21°C. Breezy from the SSW at 8 to 10 mph14 to 16 km/h. 58% chance of light rain throughout the day. Heavy, humid air. Wednesday Night: Overcast, with a low around 68°F20°C. Breezy from the S at 6 to 7 mph9 to 12 km/h. 97% chance of rain in the evening.
ShowersHigh 79°F26°CLow 65°F19°CPrecip 0.04 in0.9 mm29%Cloud 58%Wind W 7 mph11 km/hThursday: Mostly cloudy and warm, with a high of 79°F26°C and morning low of 66°F19°C. Breezy from the W at 7 to 9 mph12 to 15 km/h. Thursday Night: Mostly cloudy, with a low around 65°F19°C. Breezy from the W at 7 mph11 km/h. 29% chance of showers overnight.
ClearHigh 77°F25°CLow 64°F18°CPrecip 0 in0.1 mm5%Cloud 37%Wind NNW 7 mph11 km/hFriday: Mostly cloudy and warm, with a high of 77°F25°C and morning low of 65°F18°C. Breezy from the NW at 7 to 8 mph11 to 13 km/h. Friday Night: Mostly clear, with a low around 64°F18°C. Breezy from the NNW at 7 to 8 mph11 to 12 km/h.
Partly CloudyHigh 73°F23°CLow 60°F15°CPrecip 0.01 in0.3 mm9%Cloud 42%Wind N 7 mph12 km/hSaturday: Mostly cloudy and warm, with a high of 73°F23°C and morning low of 61°F16°C. Breezy from the N at 8 to 9 mph13 to 14 km/h. Saturday Night: Mostly clear, with a low around 60°F15°C. Breezy from the N at 7 to 8 mph11 to 12 km/h.
ClearHigh 75°F24°CLow 58°F15°CPrecip 0 in0 mmCloud 26%Wind NE 5 mph9 km/hSunday: Partly cloudy and warm, with a high of 75°F24°C and morning low of 59°F15°C. Light wind from the NE around 6 mph9 km/h. Sunday Night: Mostly clear, with a low around 58°F15°C. Breezy from the NNE at 5 to 7 mph9 to 11 km/h.
ClearHigh 77°F25°CLow 56°F13°CPrecip 0 in0.1 mm5%Cloud 39%Wind WNW 5 mph8 km/hMonday: Partly cloudy and warm, with a high of 77°F25°C and morning low of 58°F14°C. Light wind from the WNW around 4 mph7 km/h. Monday Night: Partly cloudy, with a low around 56°F13°C. Light wind from the WNW around 5 mph8 km/h.
Partly CloudyHigh 74°F23°CLow 59°F15°CPrecip 0.01 in0.2 mm5%Cloud 74%Wind E 5 mph9 km/hTuesday: Mostly cloudy and warm, with a high of 74°F23°C and morning low of 60°F15°C. Light wind from the ESE around 5 mph8 km/h. Tuesday Night: Mostly cloudy, with a low around 59°F15°C. Light wind from the ENE around 6 mph9 km/h.

15-Day Forecast

Day High Low Precip Cloud Cover Condition Wind
WednesdaySep 276°F24°C68°F20°C0.59 in15 mm· 97%97%RainS 7 mph11 km/h
ThursdaySep 379°F26°C65°F19°C0.04 in0.9 mm· 29%58%ShowersW 7 mph11 km/h
FridaySep 477°F25°C64°F18°C0 in0.1 mm· 5%37%ClearNNW 7 mph11 km/h
SaturdaySep 573°F23°C60°F15°C0.01 in0.3 mm· 9%42%Partly CloudyN 7 mph12 km/h
SundaySep 675°F24°C58°F15°C0 in0 mm· —26%ClearNE 5 mph9 km/h
MondaySep 777°F25°C56°F13°C0 in0.1 mm· 5%39%ClearWNW 5 mph8 km/h
TuesdaySep 874°F23°C59°F15°C0.01 in0.2 mm· 5%74%Partly CloudyE 5 mph9 km/h
WednesdaySep 977°F25°C64°F18°C0.1 in2.5 mm· 22%73%DrizzleSSW 8 mph13 km/h
ThursdaySep 1079°F26°C69°F21°C0.11 in2.7 mm· 21%55%DrizzleW 9 mph14 km/h
FridaySep 1175°F24°C65°F19°C0.09 in2.3 mm· 18%58%DrizzleWNW 8 mph13 km/h
SaturdaySep 1273°F23°C62°F17°C0.14 in3.5 mm· 20%58%ShowersWSW 8 mph12 km/h
SundaySep 1374°F23°C62°F17°C0.13 in3.2 mm· 20%59%ShowersWSW 8 mph13 km/h
MondaySep 1472°F22°C61°F16°C0.06 in1.5 mm· 15%59%DrizzleW 8 mph12 km/h
TuesdaySep 1571°F22°C59°F15°C0.09 in2.4 mm· 17%51%DrizzleW 8 mph12 km/h
WednesdaySep 1671°F22°C58°F14°C0.07 in1.9 mm· 15%53%DrizzleWSW 8 mph12 km/h

Nearby Cities

About This Forecast

This forecast is powered by WeatherMesh, the world's most advanced and accurate weather model powered by AI. WeatherMesh is built on proprietary data from WindBorne's Global Sounding Balloon constellation — the world's largest fleet of autonomous, long-duration weather balloons — collecting observations across 100% of Earth, including over oceans and remote regions where no other data exists.

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Coordinates: 44.1668°N, 77.3828°W·Elevation: 93m·Timezone: America/Toronto·Population: 50,716