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Peterborough ON Weather - Overcast
Overcast
57°F
Updated 8:25 am
Feels Like 55°F
Humidity 70%
Wind NE 4 mph
Barometer  30.24 in
Visibility 6 mi
Peterborough ON Weather - Overcast
Overcast
14°C
Updated 8:25 am
Feels Like 13°C
Humidity 70%
Wind NE 7 km/h
Barometer  102.4 kPa
Visibility 10 km
Peterborough, ON Weather and Current Conditionspeterborough on weather forecast

Peterborough, ON Weather Forecast

Peterborough Ontario WeatherPeterborough, Ontario Weather Weather Forecast
14 day API weather forecast for Peterborough, Ontario. Note: The 7-day weather forecast for Peterborough, ON is the most reliable and accurate weather forecast. This model should only be used as a likely scenario. It is difficult to predict weather more than 7 days ahead.
Peterborough, ON Weather Forecast Dated: 825 AM Thu Sep 17 2026
Expect a cool pattern with a mix of sun and clouds and frequent chances of rain over the coming period. generally humid conditions and no major pressure swings will dominate.

Thursday, September 17, 2026

Mid-Morning
Peterborough Weather - 2026-09-17 - Morning - Overcast
15°C 59°F
Overcast
Mid-Afternoon
Peterborough Weather - 2026-09-17 - Afternoon - Overcast
20°C 68°F
Overcast
Early-Evening
Peterborough Weather - 2026-09-17 - Evening - Sunny
18°C 64°F
Sunny
Pleasant near 20°C 68°F, overcast through the afternoon, turning sunny this evening, with lower humidity and steady pressure. Winds turning from the NE to the WNW at 12 km/h 8 mph.

Friday, September 18, 2026

Mid-Morning
Peterborough Weather - 2026-09-18 - Morning - Overcast
13°C 55°F
Overcast
Mid-Afternoon
Peterborough Weather - 2026-09-18 - Afternoon - Overcast
18°C 65°F
Overcast
Early-Evening
Peterborough Weather - 2026-09-18 - Evening - Overcast
14°C 58°F
Overcast
Mildly cool near 18°C 65°F, overcast throughout the day, with lower humidity and steady pressure. Winds switching from the N to the NE at 11 km/h 7 mph.

Saturday, September 19, 2026

Mid-Morning
Peterborough Weather - 2026-09-19 - Morning - Overcast
7°C 45°F
Overcast
Mid-Afternoon
Peterborough Weather - 2026-09-19 - Afternoon - Scattered Showers
13°C 56°F
Scattered Showers
Early-Evening
Peterborough Weather - 2026-09-19 - Evening - Drizzle
10°C 50°F
Drizzle
Chilly near 13°C 56°F, locally heavy downpours at times, with increasing humidity and barometric pressure falling. Winds moving from the E to the ESE at 11 km/h 7 mph.

Sunday, September 20, 2026

Mid-Morning
Peterborough Weather - 2026-09-20 - Morning - Light Showers
10°C 50°F
Light Showers
Mid-Afternoon
Peterborough Weather - 2026-09-20 - Afternoon - Sunny
18°C 64°F
Sunny
Early-Evening
Peterborough Weather - 2026-09-20 - Evening - Overcast
15°C 59°F
Overcast
Cool with a high near 18°C 64°F, early showers breaking for a drier afternoon, with lower humidity and steady pressure. Winds out of the NE at 16 km/h 10 mph.

Monday, September 21, 2026

Mid-Morning
Peterborough Weather - 2026-09-21 - Morning - Overcast
8°C 47°F
Overcast
Mid-Afternoon
Peterborough Weather - 2026-09-21 - Afternoon - Scattered Showers
13°C 56°F
Scattered Showers
Early-Evening
Peterborough Weather - 2026-09-21 - Evening - Overcast
11°C 51°F
Overcast
Brisk around 13°C 56°F, scattered downpours possible, with steady humidity and barometric pressure falling. Winds shifting from the NE to the ENE at 21 km/h 13 mph. Gusts up to 41 km/h 26 mph.

Tuesday, September 22, 2026

Mid-Morning
Peterborough Weather - 2026-09-22 - Morning - Light Showers
9°C 48°F
Light Showers
Mid-Afternoon
Peterborough Weather - 2026-09-22 - Afternoon - Light Showers
14°C 57°F
Light Showers
Early-Evening
Peterborough Weather - 2026-09-22 - Evening - Light Showers
13°C 56°F
Light Showers
Cool and brisk at 14°C 57°F, on-and-off showers throughout the day, with steady humidity and steady pressure. Winds turning from the ENE to the ESE at 24 km/h 15 mph. Gusts up to 44 km/h 28 mph.

Wednesday, September 23, 2026

Mid-Morning
Peterborough Weather - 2026-09-23 - Morning - Scattered Showers
17°C 62°F
Scattered Showers
Mid-Afternoon
Peterborough Weather - 2026-09-23 - Afternoon - Scattered Showers
19°C 65°F
Scattered Showers
Early-Evening
Peterborough Weather - 2026-09-23 - Evening - Cloudy
17°C 63°F
Cloudy
Comfortable at 19°C 65°F, periods of heavy rain and gusty conditions, with steady humidity and steady pressure. Winds switching from the SSW to the S at 13 km/h 8 mph.

Thursday, September 24, 2026

Mid-Morning
Peterborough Weather - 2026-09-24 - Morning - Light Showers
15°C 59°F
Light Showers
Mid-Afternoon
Peterborough Weather - 2026-09-24 - Afternoon - Scattered Showers
17°C 63°F
Scattered Showers
Early-Evening
Peterborough Weather - 2026-09-24 - Evening - Partly Cloudy
15°C 58°F
Partly Cloudy
Cool with a high near 17°C 63°F, scattered downpours possible, with lower humidity and steady pressure. Winds moving from the SW to the WSW at 20 km/h 13 mph. Gusts up to 40 km/h 25 mph.

Friday, September 25, 2026

Mid-Morning
Peterborough Weather - 2026-09-25 - Morning - Scattered Showers
8°C 46°F
Scattered Showers
Mid-Afternoon
Peterborough Weather - 2026-09-25 - Afternoon - Sunny
11°C 52°F
Sunny
Early-Evening
Peterborough Weather - 2026-09-25 - Evening - Sunny
11°C 50°F
Sunny
Brisk around 11°C 52°F, locally heavy downpours at times, with lower humidity and barometric pressure rising. Winds swinging from the NW to the WNW at 16 km/h 10 mph. Gusts up to 33 km/h 21 mph.

Saturday, September 26, 2026

Mid-Morning
Peterborough Weather - 2026-09-26 - Morning - Sunny
7°C 44°F
Sunny
Mid-Afternoon
Peterborough Weather - 2026-09-26 - Afternoon - Sunny
15°C 59°F
Sunny
Early-Evening
Peterborough Weather - 2026-09-26 - Evening - Sunny
13°C 55°F
Sunny
Mildly cool near 15°C 59°F, sunny throughout the day, with steady humidity and steady pressure. Winds shifting from the NW to the W at 17 km/h 10 mph. Gusts up to 38 km/h 23 mph.

Sunday, September 27, 2026

Mid-Morning
Peterborough Weather - 2026-09-27 - Morning - Partly Cloudy
13°C 55°F
Partly Cloudy
Mid-Afternoon
Peterborough Weather - 2026-09-27 - Afternoon - Sunny
21°C 70°F
Sunny
Early-Evening
Peterborough Weather - 2026-09-27 - Evening - Partly Cloudy
17°C 62°F
Partly Cloudy
Pleasant near 21°C 70°F, sunny through the afternoon, turning partly cloudy this evening, with lower humidity and steady pressure. Winds turning from the WNW to the SW at 13 km/h 9 mph.

Monday, September 28, 2026

Mid-Morning
Peterborough Weather - 2026-09-28 - Morning - Sunny
15°C 59°F
Sunny
Mid-Afternoon
Peterborough Weather - 2026-09-28 - Afternoon - Cloudy
21°C 69°F
Cloudy
Early-Evening
Peterborough Weather - 2026-09-28 - Evening - Overcast
18°C 63°F
Overcast
Comfortable with temperatures reaching 21°C 69°F, sunny in the morning, becoming overcast through the afternoon and evening, with steady humidity and barometric pressure falling. Winds SW at 20 km/h 12 mph. Gusts up to 38 km/h 24 mph.

Tuesday, September 29, 2026

Mid-Morning
Peterborough Weather - 2026-09-29 - Morning - Overcast
16°C 61°F
Overcast
Mid-Afternoon
Peterborough Weather - 2026-09-29 - Afternoon - Sunny
24°C 75°F
Sunny
Early-Evening
Peterborough Weather - 2026-09-29 - Evening - Partly Cloudy
20°C 68°F
Partly Cloudy
Enjoyable around 24°C 75°F, overcast in the morning, sunny in the afternoon, and partly cloudy this evening, with steady humidity and steady pressure. Winds out of the W at 13 km/h 8 mph.

Wednesday, September 30, 2026

Mid-Morning
Peterborough Weather - 2026-09-30 - Morning - Sunny
12°C 54°F
Sunny
Mid-Afternoon
Peterborough Weather - 2026-09-30 - Afternoon - Sunny
16°C 61°F
Sunny
Early-Evening
Peterborough Weather - 2026-09-30 - Evening - Sunny
12°C 54°F
Sunny
Mildly cool near 16°C 61°F, cloudy in the morning, becoming sunny through the afternoon and evening, with lower humidity and steady pressure. Winds blowing from the NNW at 18 km/h 11 mph.

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Weather by the Numbers

Thu, 17th
Peterborough ON Weather - Thursday, Sep 17, 2026 - Sunny
Hi: 22°C 72°F
Lo: 13°C 55°F
Sunrise 06:55 AM
Sunset 07:20 PM
Wind NNW 4 km/h2 mph
Dew Point 10°C50°F
uv Index 1
Barometric Pressure 102.3 kPa30.21 in
POP 6% *
Humidity 66%
Fri, 18th
Peterborough ON Weather - Friday, Sep 18, 2026 - Overcast
Hi: 18°C 65°F
Lo: 10°C 50°F
Sunrise 06:56 AM
Sunset 07:18 PM
Wind N 15 km/h10 mph
Dew Point 5°C42°F
uv Index 4
Barometric Pressure 102.5 kPa30.27 in
POP 11% *
Humidity 47%
Sat, 19th
Peterborough ON Weather - Saturday, Sep 19, 2026 - Overcast
Hi: 14°C 57°F
Lo: 5°C 40°F
Sunrise 06:57 AM
Sunset 07:17 PM
Wind ESE 16 km/h10 mph
Dew Point -0°C31°F
uv Index 5
Barometric Pressure 102.4 kPa30.24 in
POP 11% *
Humidity 44%
Sun, 20th
Peterborough ON Weather - Sunday, Sep 20, 2026 - Overcast
Hi: 19°C 67°F
Lo: 9°C 49°F
Sunrise 06:58 AM
Sunset 07:15 PM
Wind NE 15 km/h10 mph
Dew Point 10°C49°F
uv Index 3
Barometric Pressure 101.6 kPa30 in
POP 30% *
Humidity 91%
Mon, 21st
Peterborough ON Weather - Monday, Sep 21, 2026 - Cloudy
Hi: 14°C 57°F
Lo: 6°C 42°F
Sunrise 07:00 AM
Sunset 07:13 PM
Wind NE 15 km/h9 mph
Dew Point 1°C34°F
uv Index 3
Barometric Pressure 102.6 kPa30.3 in
POP 7% *
Humidity 47%
Tue, 22nd
Peterborough ON Weather - Tuesday, Sep 22, 2026 - Moderate Or Heavy Rain Shower
Hi: 14°C 57°F
Lo: 7°C 44°F
Sunrise 07:01 AM
Sunset 07:11 PM
Wind E 24 km/h15 mph
Dew Point 11°C52°F
uv Index 3
Barometric Pressure 101.9 kPa30.09 in
POP 79% *
Humidity 98%
Wed, 23rd
Peterborough ON Weather - Wednesday, Sep 23, 2026 - Patchy Rain Nearby
Hi: 19°C 67°F
Lo: 13°C 56°F
Sunrise 07:02 AM
Sunset 07:09 PM
Wind SW 16 km/h10 mph
Dew Point 14°C56°F
uv Index 4
Barometric Pressure 101.6 kPa30 in
POP 28% *
Humidity 75%
Thu, 24th
Peterborough ON Weather - Thursday, Sep 24, 2026 - Sunny
Hi: 17°C 63°F
Lo: 12°C 53°F
Sunrise 07:03 AM
Sunset 07:07 PM
Wind WSW 19 km/h12 mph
Dew Point 10°C50°F
uv Index 4
Barometric Pressure 100.5 kPa29.68 in
POP 59% *
Humidity 83%
Fri, 25th
Peterborough ON Weather - Friday, Sep 25, 2026 - Patchy Rain Nearby
Hi: 13°C 55°F
Lo: 6°C 43°F
Sunrise 07:04 AM
Sunset 07:05 PM
Wind NW 24 km/h15 mph
Dew Point 5°C40°F
uv Index 2
Barometric Pressure 100.7 kPa29.74 in
POP 24% *
Humidity 82%
Sat, 26th
Peterborough ON Weather - Saturday, Sep 26, 2026 - Sunny
Hi: 15°C 59°F
Lo: 4°C 40°F
Sunrise 07:05 AM
Sunset 07:03 PM
Wind WNW 19 km/h12 mph
Dew Point 0°C32°F
uv Index 4
Barometric Pressure 102 kPa30.12 in
POP 1% *
Humidity 44%
Sun, 27th
Peterborough ON Weather - Sunday, Sep 27, 2026 - Sunny
Hi: 21°C 70°F
Lo: 9°C 48°F
Sunrise 07:07 AM
Sunset 07:01 PM
Wind W 16 km/h10 mph
Dew Point 8°C46°F
uv Index 5
Barometric Pressure 102.2 kPa30.18 in
POP 3% *
Humidity 49%
Mon, 28th
Peterborough ON Weather - Monday, Sep 28, 2026 - Overcast
Hi: 21°C 70°F
Lo: 12°C 53°F
Sunrise 07:08 AM
Sunset 07:00 PM
Wind SW 20 km/h12 mph
Dew Point 9°C49°F
uv Index 5
Barometric Pressure 101.8 kPa30.06 in
POP 4% *
Humidity 50%
Tue, 29th
Peterborough ON Weather - Tuesday, Sep 29, 2026 - Sunny
Hi: 24°C 75°F
Lo: 14°C 56°F
Sunrise 07:09 AM
Sunset 06:58 PM
Wind W 13 km/h8 mph
Dew Point 9°C49°F
uv Index 6
Barometric Pressure 101.5 kPa29.97 in
POP 7% *
Humidity 48%
Wed, 30th
Peterborough ON Weather - Wednesday, Sep 30, 2026 - Sunny
Hi: 17°C 62°F
Lo: 8°C 46°F
Sunrise 07:10 AM
Sunset 06:56 PM
Wind NNW 19 km/h12 mph
Dew Point 5°C40°F
uv Index 4
Barometric Pressure 101.9 kPa30.09 in
POP 3% *
Humidity 54%
* POP = Probability of Precipitation. Data for 12:00 PM.