Thunder Bay Extended Forecast with high and low temperatures
°F
Time
Wind
(mph)
(mph)
Rain/Snow
()
()
Temp
(°F)
(°F)
24
28
32
36
40
44
48
52
56
60
64
68
72
May 4 – May 10
Lo:29
Thu, 8
Hi:48
7
Lo:25
Fri, 9
Hi:65
4
Lo:40
Sat, 10
Hi:56
8
May 11 – May 17
Lo:38
Sun, 11
Hi:72
13
Lo:44
Mon, 12
Hi:70
7
Lo:38
Tue, 13
Hi:58
7
Lo:39
Wed, 14
Hi:60
7
0.17
Lo:45
Thu, 15
Hi:65
7
0.12
Lo:43
Fri, 16
Hi:55
6
0.04
Lo:42
Sat, 17
Hi:53
10
May 18 – May 24
Lo:42
Sun, 18
Hi:55
8
Lo:42
Mon, 19
Hi:55
11
Lo:43
Tue, 20
Hi:58
11
Lo:45
Wed, 21
Hi:60
7
Lo:46
Thu, 22
Hi:61
6
2 Week Extended Forecast in Thunder Bay, Ontario, Canada
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| Conditions | Comfort | Precipitation | Sun | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Day | Temperature | Weather | Feels Like | Wind | Humidity | Chance | Amount | UV | Sunrise | Sunset | ||
| Thu May 8 |  | 48 / 29 °F | Sunny. | 43 °F | 7 mph | ↑ | 44% | 3% | - | 5 (Moderate) | 6:26 am | 9:21 pm |
| Fri May 9 |  | 65 / 25 °F | Afternoon clouds. | 58 °F | 4 mph | ↑ | 50% | 0% | - | 3 (Moderate) | 6:24 am | 9:23 pm |
| Sat May 10 |  | 56 / 40 °F | Broken clouds. | 52 °F | 8 mph | ↑ | 44% | 0% | - | 3 (Moderate) | 6:23 am | 9:24 pm |
| Sun May 11 |  | 72 / 38 °F | Cloudy. | 67 °F | 13 mph | ↑ | 46% | 3% | - | 3 (Moderate) | 6:21 am | 9:25 pm |
| Mon May 12 | | 70 / 44 °F | Partly cloudy. | 69 °F | 7 mph | ↑ | 40% | 0% | - | 3 (Moderate) | 6:20 am | 9:27 pm |
| Tue May 13 | | 58 / 38 °F | Partly cloudy. | 55 °F | 7 mph | ↑ | 73% | 1% | - | 3 (Moderate) | 6:19 am | 9:28 pm |
| Wed May 14 | | 60 / 39 °F | Broken clouds. | 57 °F | 7 mph | ↑ | 81% | 3% | - | 3 (Moderate) | 6:17 am | 9:29 pm |
| Thu May 15 |  | 65 / 45 °F | Passing showers. Overcast. | 60 °F | 7 mph | ↑ | 98% | 70% | 0.17" | 3 (Moderate) | 6:16 am | 9:31 pm |
| Fri May 16 |  | 55 / 43 °F | Drizzle. Overcast. | 50 °F | 6 mph | ↑ | 97% | 60% | 0.12" | 3 (Moderate) | 6:15 am | 9:32 pm |
| Sat May 17 | | 53 / 42 °F | Sprinkles early. Breaks of sun late. | 49 °F | 10 mph | ↑ | 65% | 50% | 0.04" | 3 (Moderate) | 6:13 am | 9:33 pm |
| Sun May 18 | | 55 / 42 °F | Afternoon clouds. | 52 °F | 8 mph | ↑ | 42% | 5% | - | 3 (Moderate) | 6:12 am | 9:34 pm |
| Mon May 19 | | 55 / 42 °F | Overcast. | 51 °F | 11 mph | ↑ | 55% | 6% | - | 3 (Moderate) | 6:11 am | 9:36 pm |
| Tue May 20 | | 58 / 43 °F | Breaks of sun late. | 53 °F | 11 mph | ↑ | 37% | 6% | - | 3 (Moderate) | 6:10 am | 9:37 pm |
| Wed May 21 | | 60 / 45 °F | Morning clouds. | 59 °F | 7 mph | ↑ | 42% | 5% | - | 3 (Moderate) | 6:09 am | 9:38 pm |
| Thu May 22 | | 61 / 46 °F | Sunny. | 59 °F | 6 mph | ↑ | 50% | 3% | - | 5 (Moderate) | 6:08 am | 9:39 pm |
| * Updated Wednesday, May 7, 2025 5:24:02 pm Thunder Bay time - Weather by CustomWeather, © 2025 | ||||||||||||