Weather

DAILY 7 DAY TOTAL
onrain

Note: Some stations are located near irrigated fields and may also report irrigation

Alliston Mount Forest Blyth Guelph Grand Bend Strathroy Woodstock Belmont Simcoe Leamington Chatham West Lorne






Chatham WIN - Historical Weather Data
Date Max Temp (°C) Min Temp (°C) Avg Temp (°C) Rain (mm) 7Day Rain(mm) Total Rain(mm) Avg RH (%)
9/12/2025 26.2 9.7 16.9 0.0 0.0 309.4 82.8
9/11/2025 25.5 8.8 17.0 0.0 0.0 309.4 76.3
9/10/2025 25.3 9.8 17.3 0.0 10.0 309.4 80.2
9/9/2025 23.8 7.4 15.2 0.0 10.2 309.4 77.6
9/8/2025 20.2 8.7 14.5 0.0 11.8 309.4 84.6
9/7/2025 - - - 0.0 11.8 309.4 79.5
9/6/2025 28.4 9.0 13.4 0.0 11.8 309.4 80.6
9/5/2025 23.1 7.9 16.3 0.0 11.8 309.4 76.0
9/4/2025 18.9 10.4 15.0 10.0 12.0 309.4 86.3
9/3/2025 26.9 10.5 19.1 0.2 2.8 299.4 79.9
9/2/2025 26.0 10.2 16.9 1.6 2.6 299.2 87.6
9/1/2025 24.6 8.8 17.0 0.0 1.0 297.6 83.1
8/31/2025 23.1 6.6 15.2 0.0 1.2 297.6 83.3
8/30/2025 21.3 4.5 13.6 0.0 5.2 297.6 82.0
8/29/2025 18.4 6.9 13.0 0.2 5.2 297.6 87.4
8/28/2025 21.0 11.7 16.7 0.8 5.0 297.4 89.6
8/27/2025 22.6 7.6 15.1 0.0 4.2 296.6 79.6
8/26/2025 20.6 9.9 15.2 0.0 5.0 296.6 79.8
8/25/2025 20.8 13.3 16.5 0.2 14.0 296.6 85.2
8/24/2025 24.3 15.4 19.9 4.0 13.8 296.4 82.1
8/23/2025 24.7 15.0 20.6 0.0 18.0 292.4 89.6
8/22/2025 26.0 13.6 19.9 0.0 18.0 292.4 93.2
8/21/2025 24.7 16.6 19.7 0.0 18.0 292.4 93.4
8/20/2025 22.3 18.3 19.8 0.8 18.0 292.4 99.7
8/19/2025 24.5 14.6 20.1 9.0 23.8 291.6 99.9
8/18/2025 24.0 14.1 19.0 0.0 52.4 282.6 89.4
8/17/2025 26.1 16.1 22.2 8.2 52.4 282.6 93.2
8/16/2025 30.7 17.0 24.1 0.0 44.2 274.4 92.1
8/15/2025 28.8 15.9 22.5 0.0 44.2 274.4 86.9
8/14/2025 28.6 16.4 22.2 0.0 44.2 274.4 87.2
8/13/2025 28.5 19.5 23.6 6.6 44.2 274.4 92.4
8/12/2025 32.2 20.2 27.0 37.6 37.6 267.8 87.3
8/11/2025 31.1 20.0 25.7 0.0 0.0 230.2 89.3
8/10/2025 31.0 19.5 25.0 0.0 0.0 230.2 88.5
8/9/2025 30.3 19.9 24.8 0.0 0.0 230.2 86.2
8/8/2025 29.2 17.7 23.6 0.0 0.0 230.2 90.7
8/7/2025 27.2 18.1 22.6 0.0 0.0 230.2 85.9
8/6/2025 27.6 19.0 23.1 0.0 50.2 230.2 83.0
8/5/2025 28.0 15.9 22.4 0.0 57.4 230.2 81.4
8/4/2025 27.1 13.2 20.7 0.0 57.6 230.2 85.5
8/3/2025 26.4 11.2 19.1 0.0 61.2 230.2 83.8
8/2/2025 24.8 10.7 18.2 0.0 70.4 230.2 78.4
8/1/2025 24.8 11.9 18.3 0.0 70.4 230.2 78.9
7/31/2025 23.3 14.4 17.4 50.2 71.4 230.2 91.5
7/30/2025 30.3 15.8 23.6 7.2 21.2 180.0 90.5
7/29/2025 32.0 20.1 25.5 0.2 14.0 172.8 85.4
7/28/2025 32.4 19.4 25.2 3.6 13.8 172.6 90.4
7/27/2025 32.0 22.4 26.6 9.2 10.2 169.0 87.9
7/26/2025 29.1 20.7 24.9 0.0 1.2 159.8 94.0
7/25/2025 30.5 21.7 25.3 1.0 1.2 159.8 91.3
7/24/2025 33.7 18.4 27.1 0.0 0.2 158.8 85.3
7/23/2025 29.6 11.9 21.4 0.0 0.2 158.8 79.7
7/22/2025 26.0 11.0 19.0 0.0 1.8 158.8 78.4
7/21/2025 24.9 11.7 18.4 0.0 1.8 158.8 79.8
7/20/2025 25.4 14.4 21.8 0.2 1.8 158.8 91.6
7/19/2025 27.9 11.4 20.9 0.0 2.8 158.6 85.1
7/18/2025 23.7 12.4 18.5 0.0 3.2 158.6 79.0
7/17/2025 26.1 17.1 23.2 0.0 6.4 158.6 89.9
7/16/2025 29.6 18.3 24.1 1.6 6.4 158.6 96.9
7/15/2025 30.8 15.0 23.4 0.0 9.0 157.0 80.3
7/14/2025 29.9 18.2 24.7 0.0 9.0 157.0 82.7
7/13/2025 31.0 22.3 26.3 1.2 9.0 157.0 86.4
7/12/2025 32.7 21.0 26.0 0.4 8.2 155.8 89.7
7/11/2025 30.4 18.3 23.9 3.2 7.8 155.4 92.6
7/10/2025 30.4 18.2 24.2 0.0 4.6 152.2 85.9
7/9/2025 27.6 18.9 22.5 4.2 4.6 152.2 96.9
7/8/2025 27.2 16.0 21.6 0.0 0.4 148.0 83.2
7/7/2025 24.8 18.3 21.6 0.0 0.4 148.0 95.2
7/6/2025 33.6 23.6 28.5 0.4 0.6 148.0 76.2
7/5/2025 33.7 18.3 27.0 0.0 0.2 147.6 76.4
7/4/2025 28.9 15.9 22.8 0.0 0.2 147.6 74.0
7/3/2025 28.6 18.3 23.2 0.0 0.2 147.6 73.7
7/2/2025 30.5 16.1 24.1 0.0 0.2 147.6 75.4
7/1/2025 29.9 19.4 25.4 0.0 0.2 147.6 79.4
6/30/2025 28.4 19.6 24.2 0.2 2.0 147.6 96.6
6/29/2025 28.7 15.7 22.6 0.0 1.8 147.4 82.2
6/28/2025 27.5 18.7 24.5 0.0 1.8 147.4 85.2
6/27/2025 30.6 19.3 24.7 0.0 2.2 147.4 92.5
6/26/2025 29.9 17.7 23.4 0.0 4.2 147.4 90.7
6/25/2025 28.3 19.9 23.4 0.0 5.6 147.4 90.8
6/24/2025 34.3 22.9 27.3 1.8 42.2 147.4 85.9
6/23/2025 33.9 23.4 28.9 0.0 40.4 145.6 80.8
6/22/2025 33.4 24.4 28.7 0.0 40.4 145.6 85.4
6/21/2025 29.7 18.3 23.6 0.4 40.4 145.6 89.6
6/20/2025 25.1 16.3 20.5 2.0 41.0 145.2 95.7
6/19/2025 22.3 17.0 19.8 1.4 40.0 143.2 96.9
6/18/2025 26.9 19.5 22.4 36.6 38.6 141.8 98.8
6/17/2025 29.4 17.1 23.0 0.0 2.0 105.2 91.2
6/16/2025 26.7 14.3 20.8 0.0 2.0 105.2 81.8
6/15/2025 27.2 12.6 20.1 0.0 3.4 105.2 73.9
6/14/2025 23.7 13.4 18.1 1.0 3.4 105.2 80.6
6/13/2025 22.9 14.9 18.4 1.0 2.4 104.2 68.3
6/12/2025 24.2 15.6 20.0 0.0 4.8 103.2 66.3
6/11/2025 29.3 13.0 22.2 0.0 21.4 103.2 71.0
6/10/2025 23.2 12.2 18.5 0.0 27.0 103.2 72.3
6/9/2025 23.5 15.8 19.3 1.4 27.0 103.2 88.4
6/8/2025 23.6 13.7 18.6 0.0 25.6 101.8 81.0
6/7/2025 25.9 12.3 18.2 0.0 25.6 101.8 79.7
6/6/2025 22.4 13.8 18.0 3.4 25.6 101.8 94.1
6/5/2025 19.2 14.0 16.5 16.6 22.2 98.4 99.9
6/4/2025 31.0 15.9 23.3 5.6 5.8 81.8 74.1
6/3/2025 28.3 12.5 21.3 0.0 2.0 76.2 59.2
6/2/2025 24.7 6.5 16.4 0.0 2.0 76.2 62.8
6/1/2025 18.8 6.4 12.5 0.0 2.0 76.2 63.4
5/31/2025 16.8 7.6 12.0 0.0 2.0 76.2 77.1
5/30/2025 24.6 13.1 17.4 0.0 2.0 76.2 77.5
5/29/2025 20.1 11.5 15.6 0.2 2.0 76.2 89.1
5/28/2025 14.9 12.6 13.3 1.8 4.6 76.0 94.2
5/27/2025 21.6 9.7 16.1 0.0 12.0 74.2 73.4
5/26/2025 21.2 5.2 13.9 0.0 14.0 74.2 77.1
5/25/2025 17.7 5.0 12.2 0.0 14.0 74.2 78.8
5/24/2025 15.6 7.3 11.4 0.0 14.0 74.2 82.9
5/23/2025 12.2 7.4 10.2 0.0 14.0 74.2 85.7
5/22/2025 12.2 9.8 10.6 2.8 15.0 74.2 99.3
5/21/2025 12.4 9.2 10.9 9.2 12.2 71.4 99.6
5/20/2025 13.4 4.0 9.5 2.0 3.2 62.2 79.8
5/19/2025 15.5 4.4 10.1 0.0 3.2 60.2 77.9
5/18/2025 15.7 9.4 13.6 0.0 3.2 60.2 86.4
5/17/2025 21.1 14.9 17.0 0.0 3.2 60.2 75.7
5/16/2025 27.3 15.5 21.9 1.0 3.2 60.2 69.8
5/15/2025 25.9 13.0 19.4 0.0 2.2 59.2 88.7
5/14/2025 25.1 14.1 18.5 0.2 2.4 59.2 90.1
5/13/2025 21.7 15.7 17.9 2.0 2.2 59.0 99.2
5/12/2025 25.3 5.2 16.5 0.0 5.0 57.0 65.2
5/11/2025 18.4 5.7 12.0 0.0 28.8 57.0 69.0
5/10/2025 24.9 4.8 14.2 0.0 47.2 57.0 62.9
5/9/2025 16.5 1.5 9.3 0.0 50.2 57.0 69.6
5/8/2025 11.2 3.4 7.8 0.2 50.4 57.0 89.7
5/7/2025 22.2 7.2 12.5 0.0 56.8 56.8 93.9
5/6/2025 16.5 9.3 13.2 4.8 56.8 56.8 96.4
5/5/2025 19.8 9.5 14.3 23.8 52.2 52.0 97.2
5/4/2025 11.7 4.0 8.7 18.4 28.4 28.2 96.3
5/3/2025 9.9 4.5 7.8 3.0 10.0 9.8 96.2
5/2/2025 21.1 10.0 15.8 0.2 7.0 6.8 88.1
5/1/2025 16.8 8.5 13.0 6.6 8.6 6.6 85.1