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Belleville ON Weather - Overcast
Overcast
49°F
Updated 2:51 am
Feels Like 45°F
Humidity 77%
Wind WSW 9 mph
Barometer  29.97 in
Visibility 6 mi
Belleville ON Weather - Overcast
Overcast
9°C
Updated 2:51 am
Feels Like 7°C
Humidity 77%
Wind WSW 14 km/h
Barometer  101.5 kPa
Visibility 10 km
Belleville, ON Weather and Current Conditionsbelleville on weather forecast

Belleville, ON Weather Forecast

Belleville Ontario WeatherBelleville, Ontario Weather Weather Forecast
14 day API Belleville, ON weather forecast. Note. Our 7-day weather forecast for Belleville, Ontario is our most reliable and accurate forecast. This model should only be used as a likely scenario. Forecasting more than 7 days is difficult.
Belleville, ON Weather Forecast Dated: 251 AM Fri Oct 09 2026
Expect a cool pattern with more clouds than sun and occasional showers over the coming period. generally humid conditions and a stable pattern will dominate.

Friday, October 9, 2026

Mid-Morning
Belleville Weather - 2026-10-09 - Morning - Sunny
10°C 50°F
Sunny
Mid-Afternoon
Belleville Weather - 2026-10-09 - Afternoon - Partly Cloudy
18°C 64°F
Partly Cloudy
Early-Evening
Belleville Weather - 2026-10-09 - Evening - Sunny
12°C 53°F
Sunny
Refreshing around 18°C 64°F, sunny in the morning, cloudy in the afternoon, and sunny this evening, with lower humidity and steady pressure. Winds turning from the WNW to the NNE at 18 km/h 11 mph. Gusts up to 31 km/h 20 mph.

Saturday, October 10, 2026

Mid-Morning
Belleville Weather - 2026-10-10 - Morning - Overcast
7°C 45°F
Overcast
Mid-Afternoon
Belleville Weather - 2026-10-10 - Afternoon - Overcast
16°C 61°F
Overcast
Early-Evening
Belleville Weather - 2026-10-10 - Evening - Overcast
11°C 52°F
Overcast
Mildly cool near 16°C 61°F, overcast throughout the day, with lower humidity and barometric pressure falling. Winds blowing from the SE at 16 km/h 10 mph.

Sunday, October 11, 2026

Mid-Morning
Belleville Weather - 2026-10-11 - Morning - Overcast
14°C 57°F
Overcast
Mid-Afternoon
Belleville Weather - 2026-10-11 - Afternoon - Light Rain
13°C 55°F
Light Rain
Early-Evening
Belleville Weather - 2026-10-11 - Evening - Overcast
13°C 55°F
Overcast
Chilly near 13°C 55°F, dry early, with showers developing in the afternoon, with increasing humidity and barometric pressure falling. Winds SSE at 16 km/h 10 mph.

Monday, October 12, 2026

Mid-Morning
Belleville Weather - 2026-10-12 - Morning - Overcast
14°C 57°F
Overcast
Mid-Afternoon
Belleville Weather - 2026-10-12 - Afternoon - Sunny
22°C 71°F
Sunny
Early-Evening
Belleville Weather - 2026-10-12 - Evening - Partly Cloudy
14°C 58°F
Partly Cloudy
Mild temperatures up to 22°C 71°F, overcast in the morning, sunny in the afternoon, and cloudy this evening, with steady humidity and steady pressure. Winds swinging from the NNW to the SW at 14 km/h 9 mph.

Tuesday, October 13, 2026

Mid-Morning
Belleville Weather - 2026-10-13 - Morning - Overcast
17°C 62°F
Overcast
Mid-Afternoon
Belleville Weather - 2026-10-13 - Afternoon - Drizzle
19°C 67°F
Drizzle
Early-Evening
Belleville Weather - 2026-10-13 - Evening - Scattered Showers
21°C 70°F
Scattered Showers
Refreshing around 19°C 67°F, scattered downpours possible, with lower humidity and barometric pressure falling. Winds shifting from the SW to the WSW at 27 km/h 17 mph. Gusts up to 56 km/h 35 mph.

Wednesday, October 14, 2026

Mid-Morning
Belleville Weather - 2026-10-14 - Morning - Partly Cloudy
12°C 54°F
Partly Cloudy
Mid-Afternoon
Belleville Weather - 2026-10-14 - Afternoon - Sunny
16°C 60°F
Sunny
Early-Evening
Belleville Weather - 2026-10-14 - Evening - Sunny
11°C 51°F
Sunny
Mildly cool near 16°C 60°F, overcast in the morning, becoming sunny through the afternoon and evening, with steady humidity and barometric pressure rising. Winds turning from the NNW to the SE at 11 km/h 7 mph.

Thursday, October 15, 2026

Mid-Morning
Belleville Weather - 2026-10-15 - Morning - Overcast
7°C 44°F
Overcast
Mid-Afternoon
Belleville Weather - 2026-10-15 - Afternoon - Scattered Showers
12°C 53°F
Scattered Showers
Early-Evening
Belleville Weather - 2026-10-15 - Evening - Overcast
10°C 49°F
Overcast
Chilly near 12°C 53°F, periods of heavy rain and gusty conditions, with steady humidity and steady pressure.

Friday, October 16, 2026

Mid-Morning
Belleville Weather - 2026-10-16 - Morning - Overcast
16°C 61°F
Overcast
Mid-Afternoon
Belleville Weather - 2026-10-16 - Afternoon - Cloudy
22°C 72°F
Cloudy
Early-Evening
Belleville Weather - 2026-10-16 - Evening - Partly Cloudy
18°C 63°F
Partly Cloudy
Enjoyable around 22°C 72°F, overcast through the afternoon, turning cloudy this evening, with lower humidity and steady pressure. Winds switching from the S to the W at 20 km/h 12 mph. Gusts up to 44 km/h 28 mph.

Saturday, October 17, 2026

Mid-Morning
Belleville Weather - 2026-10-17 - Morning - Overcast
12°C 53°F
Overcast
Mid-Afternoon
Belleville Weather - 2026-10-17 - Afternoon - Cloudy
11°C 51°F
Cloudy
Early-Evening
Belleville Weather - 2026-10-17 - Evening - Sunny
8°C 46°F
Sunny
Brisk around 11°C 51°F, overcast through the afternoon, turning partly cloudy this evening, with lower humidity and barometric pressure rising. Winds moving from the W to the NNW at 18 km/h 12 mph. Gusts up to 35 km/h 21 mph.

Sunday, October 18, 2026

Mid-Morning
Belleville Weather - 2026-10-18 - Morning - Sunny
2°C 36°F
Sunny
Mid-Afternoon
Belleville Weather - 2026-10-18 - Afternoon - Sunny
9°C 49°F
Sunny
Early-Evening
Belleville Weather - 2026-10-18 - Evening - Overcast
5°C 42°F
Overcast
Cool and brisk at 9°C 49°F, sunny through the afternoon, turning cloudy this evening, with lower humidity and barometric pressure falling.

Monday, October 19, 2026

Mid-Morning
Belleville Weather - 2026-10-19 - Morning - Sunny
6°C 42°F
Sunny
Mid-Afternoon
Belleville Weather - 2026-10-19 - Afternoon - Sunny
15°C 59°F
Sunny
Early-Evening
Belleville Weather - 2026-10-19 - Evening - Sunny
9°C 48°F
Sunny
Comfortable at 15°C 59°F, cloudy in the morning, becoming sunny through the afternoon and evening, with lower humidity and steady pressure. Winds swinging from the WNW to the WSW at 11 km/h 7 mph.

Tuesday, October 20, 2026

Mid-Morning
Belleville Weather - 2026-10-20 - Morning - Partly Cloudy
4°C 39°F
Partly Cloudy
Mid-Afternoon
Belleville Weather - 2026-10-20 - Afternoon - Overcast
13°C 55°F
Overcast
Early-Evening
Belleville Weather - 2026-10-20 - Evening - Overcast
10°C 49°F
Overcast
Crisp with a high near 13°C 55°F, partly cloudy in the morning, becoming overcast through the afternoon and evening, with increasing humidity and barometric pressure falling.

Wednesday, October 21, 2026

Mid-Morning
Belleville Weather - 2026-10-21 - Morning - Overcast
11°C 53°F
Overcast
Mid-Afternoon
Belleville Weather - 2026-10-21 - Afternoon - Partly Cloudy
15°C 58°F
Partly Cloudy
Early-Evening
Belleville Weather - 2026-10-21 - Evening - Scattered Showers
13°C 55°F
Scattered Showers
Refreshing around 15°C 58°F, periods of heavy rain and gusty conditions, with lower humidity and steady pressure. Winds shifting from the SSW to the WSW at 11 km/h 7 mph.

Thursday, October 22, 2026

Mid-Morning
Belleville Weather - 2026-10-22 - Morning - Partly Cloudy
12°C 54°F
Partly Cloudy
Mid-Afternoon
Belleville Weather - 2026-10-22 - Afternoon - Overcast
17°C 62°F
Overcast
Early-Evening
Belleville Weather - 2026-10-22 - Evening - Cloudy
12°C 54°F
Cloudy
Mildly cool near 17°C 62°F, cloudy throughout the day, with lower humidity and steady pressure. Winds turning from the W to the S at 9 km/h 6 mph.

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Weather by the Numbers

Fri, 9th
Belleville ON Weather - Friday, Oct 9, 2026 - Patchy Rain Nearby
Hi: 19°C 66°F
Lo: 5°C 41°F
Sunrise 07:17 AM
Sunset 06:36 PM
Wind W 18 km/h11 mph
Dew Point 5°C40°F
uv Index 3
Barometric Pressure 101.9 kPa30.09 in
POP 17% *
Humidity 46%
Sat, 10th
Belleville ON Weather - Saturday, Oct 10, 2026 - Partly Cloudy
Hi: 16°C 61°F
Lo: 3°C 37°F
Sunrise 07:18 AM
Sunset 06:34 PM
Wind ESE 14 km/h9 mph
Dew Point 3°C37°F
uv Index 3
Barometric Pressure 103.1 kPa30.45 in
POP 4% *
Humidity 46%
Sun, 11th
Belleville ON Weather - Sunday, Oct 11, 2026 - Overcast
Hi: 17°C 62°F
Lo: 10°C 51°F
Sunrise 07:20 AM
Sunset 06:32 PM
Wind S 20 km/h13 mph
Dew Point 7°C45°F
uv Index 3
Barometric Pressure 102.3 kPa30.21 in
POP 13% *
Humidity 55%
Mon, 12th
Belleville ON Weather - Monday, Oct 12, 2026 - Partly Cloudy
Hi: 22°C 71°F
Lo: 12°C 54°F
Sunrise 07:21 AM
Sunset 06:30 PM
Wind WSW 4 km/h2 mph
Dew Point 13°C55°F
uv Index 2
Barometric Pressure 101.3 kPa29.91 in
POP 8% *
Humidity 69%
Tue, 13th
Belleville ON Weather - Tuesday, Oct 13, 2026 - Patchy Rain Nearby
Hi: 22°C 72°F
Lo: 12°C 54°F
Sunrise 07:22 AM
Sunset 06:29 PM
Wind SSW 19 km/h12 mph
Dew Point 14°C57°F
uv Index 4
Barometric Pressure 100.8 kPa29.77 in
POP 23% *
Humidity 78%
Wed, 14th
Belleville ON Weather - Wednesday, Oct 14, 2026 - Sunny
Hi: 17°C 63°F
Lo: 7°C 44°F
Sunrise 07:23 AM
Sunset 06:27 PM
Wind NNW 20 km/h13 mph
Dew Point 6°C42°F
uv Index 4
Barometric Pressure 101.5 kPa29.97 in
POP 6% *
Humidity 56%
Thu, 15th
Belleville ON Weather - Thursday, Oct 15, 2026 - Overcast
Hi: 12°C 54°F
Lo: 5°C 40°F
Sunrise 07:25 AM
Sunset 06:25 PM
Wind E 9 km/h6 mph
Dew Point 2°C36°F
uv Index 3
Barometric Pressure 102.5 kPa30.27 in
POP 13% *
Humidity 54%
Fri, 16th
Belleville ON Weather - Friday, Oct 16, 2026 - Patchy Rain Nearby
Hi: 22°C 72°F
Lo: 9°C 49°F
Sunrise 07:26 AM
Sunset 06:23 PM
Wind SW 22 km/h14 mph
Dew Point 18°C64°F
uv Index 4
Barometric Pressure 101 kPa29.83 in
POP 28% *
Humidity 88%
Sat, 17th
Belleville ON Weather - Saturday, Oct 17, 2026 - Overcast
Hi: 14°C 56°F
Lo: 5°C 40°F
Sunrise 07:27 AM
Sunset 06:22 PM
Wind WNW 19 km/h12 mph
Dew Point 4°C39°F
uv Index 3
Barometric Pressure 101.8 kPa30.06 in
POP 14% *
Humidity 59%
Sun, 18th
Belleville ON Weather - Sunday, Oct 18, 2026 - Sunny
Hi: 9°C 49°F
Lo: -0°C 32°F
Sunrise 07:29 AM
Sunset 06:20 PM
Wind E 4 km/h2 mph
Dew Point -4°C24°F
uv Index 3
Barometric Pressure 103.4 kPa30.53 in
POP 1% *
Humidity 42%
Mon, 19th
Belleville ON Weather - Monday, Oct 19, 2026 - Sunny
Hi: 15°C 59°F
Lo: 3°C 38°F
Sunrise 07:30 AM
Sunset 06:19 PM
Wind WNW 13 km/h8 mph
Dew Point 2°C35°F
uv Index 4
Barometric Pressure 102.9 kPa30.39 in
POP 2% *
Humidity 49%
Tue, 20th
Belleville ON Weather - Tuesday, Oct 20, 2026 - Overcast
Hi: 13°C 56°F
Lo: 1°C 34°F
Sunrise 07:31 AM
Sunset 06:17 PM
Wind ESE 9 km/h6 mph
Dew Point -0°C32°F
uv Index 3
Barometric Pressure 103.4 kPa30.53 in
POP 8% *
Humidity 47%
Wed, 21st
Belleville ON Weather - Wednesday, Oct 21, 2026 - Overcast
Hi: 15°C 58°F
Lo: 10°C 49°F
Sunrise 07:32 AM
Sunset 06:15 PM
Wind SW 20 km/h12 mph
Dew Point 7°C45°F
uv Index 3
Barometric Pressure 102 kPa30.12 in
POP 18% *
Humidity 69%
Thu, 22nd
Belleville ON Weather - Thursday, Oct 22, 2026 - Cloudy
Hi: 18°C 64°F
Lo: 7°C 44°F
Sunrise 07:34 AM
Sunset 06:14 PM
Wind WNW 12 km/h7 mph
Dew Point 6°C42°F
uv Index 4
Barometric Pressure 101.9 kPa30.09 in
POP 5% *
Humidity 53%
* POP = Probability of Precipitation. Data for 12:00 PM.