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Weather in Thunder Bay for June 2026

Your guide to Thunder Bay weather in June - trends and predictions

    Temperatures

  • So far, June 2026 in Thunder Bay is slightly warmer than the historical average by 2 °C.

  • Expect cooler weather in the next days in Thunder Bay with the forecast suggesting a temperature of 15.9 °C, lower than the historical average.

  • In general, the average temperature in Thunder Bay at the beginning of June is 18 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 17 °C by the end of June.

    • Rain 🌧️

  • Thunder Bay experiences heavy rainfall in June, with over 20 rainy days and an average total precipitation 163.7 mm.

    • More

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
8
Dry days
Average rainy days
22
Rainy days
Average snowy days
0
Snow days
Average temperatures
17°/9°
Temperatures
Average wind speed
15 km/h
Avg max wind
Average humidity
77 %
Avg humidity

Thunder Bay Weather June

Move between months or click on a day
May
July
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Overcast
17°
2
Overcast
20°
3
Patchy rain possible
19°
4
Patchy rain possible
19°
5
Overcast
19°
6
Patchy rain possible
16°
7
Partly cloudy
16°
8
Light rain shower
17°
9
Patchy rain possible
17°
10
Moderate rain at times
18°
11
Sunny
19°
12
Partly cloudy
18°
13
Patchy rain possible
15°
14
Overcast
19°
15
Patchy rain possible
18°
16
Partly cloudy
13°
17
Patchy rain possible
16°
18
Partly cloudy
15°
19
Patchy rain possible
16°
20
Partly cloudy
15°
21
Patchy rain possible
14°
22
Partly cloudy
17°
23
Sunny
17°
24
Patchy rain possible
12°
25
Patchy rain possible
17°
26
Partly cloudy
19°
27
Cloudy
17°
28
Moderate or heavy rain shower
15°
29
Moderate or heavy rain shower
17°
30
Moderate rain at times
22°

Temperatures trend during June in Thunder Bay

See the weather trend as well as the moving average line

June weather in Thunder Bay day by day

Click on a date for more information
May July
Date Weather Temperatures Rain UV More
1 Jun. Overcast
Overcast
 17° /9° 1.7 mm 6
2 Jun. Overcast
Overcast
 20° /7° 0 mm 5
3 Jun. Patchy rain possible
Patchy rain possible
 19° /9° 13.8 mm 5
4 Jun. Patchy rain possible
Patchy rain possible
 19° /10° 6.2 mm 6
5 Jun. Overcast
Overcast
 19° /10° 6 mm 5
6 Jun. Patchy rain possible
Patchy rain possible
 16° /9° 1.6 mm 5
7 Jun. Partly cloudy
Partly cloudy
 16° /8° 0.8 mm 5
8 Jun. Light rain shower
Light rain shower
 17° /8° 5.4 mm 6
9 Jun. Patchy rain possible
Patchy rain possible
 17° /8° 1.8 mm 4
10 Jun. Moderate rain at times
Moderate rain at times
 18° /9° 2.9 mm 4
11 Jun. Sunny
Sunny
 19° /8° 1.3 mm 5
12 Jun. Partly cloudy
Partly cloudy
 18° /8° 12 mm 5
13 Jun. Patchy rain possible
Patchy rain possible
 15° /11° 0.3 mm 2.6
14 Jun. Overcast
Overcast
 19° /7° 0.1 mm 6.5
15 Jun. Patchy rain possible
Patchy rain possible
 18° /9° 2.1 mm 5.4
16 Jun. Partly cloudy
Partly cloudy
 13° /5° 0.1 mm 4
17 Jun. Patchy rain possible
Patchy rain possible
 16° /4° 2 mm 6.2
18 Jun. Partly cloudy
Partly cloudy
 15° /6° 0 mm 0.3
19 Jun. Patchy rain possible
Patchy rain possible
 16° /9° 0.2 mm 3
20 Jun. Partly cloudy
Partly cloudy
 15° /7° 0.1 mm 4
21 Jun. Patchy rain possible
Patchy rain possible
 14° /4° 0.3 mm 2
22 Jun. Partly cloudy
Partly cloudy
 17° /8° 0 mm 4
23 Jun. Sunny
Sunny
 17° /8° 0 mm 4
24 Jun. Patchy rain possible
Patchy rain possible
 12° /7° 2 mm 2
25 Jun. Patchy rain possible
Patchy rain possible
 17° /9° 1.5 mm 3
26 Jun. Partly cloudy
Partly cloudy
 19° /9° 0 mm 4
27 Jun. Cloudy
Cloudy
 17° /9° 0.1 mm 4
28 Jun. Moderate or heavy rain shower
Moderate or heavy rain shower
 15° /9° 14.8 mm 4
29 Jun. Moderate or heavy rain shower
Moderate or heavy rain shower
 17° /9° 8.1 mm 4
30 Jun. Moderate rain at times
Moderate rain at times
 22° /10° 7.8 mm 5
Next
Important Notice
Our weather forecast for Thunder Bay in June is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Thunder Bay forecast closer to your planned date for the most up-to-date weather information.
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Thunder Bay in June - FAQ

What are the expected maximum and minimum temperatures in Thunder Bay during June?

Enjoy moderate daytime temperatures of up to 17° and cooler nights around 9°. Ideal for a range of outdoor activities, from hiking to city tours.

How much rainfall should be expected in Thunder Bay during June?

Significant rainfall exceeding 163.7 mm is expected in Thunder Bay during June, occurring over more than 22 days. Preparing for wet conditions is recommended in your planning.

What are the typical wind conditions in Thunder Bay during June?

The average wind speed in Thunder Bay during June is 15 km/h, suggesting breezy to windy conditions, depending on your activities.

June rainfall patterns in Thunder Bay

Explore the daily rainfall trends and prepare for Thunder Bays June weather 💧
Typically, Thunder Bay has 22 rainy days in June with a total of 163.7 mm of rainfall.

UV exposure in Thunder Bay during June

Stay informed about UV levels for safe outdoor activities throughout the month of June ☀️

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Location coordinates Where is Thunder Bay?

Get accurate weather forecasts for Thunder Bay, located at latitude 48.382 and longitude -89.25. Stay updated with localized weather information tailored for Thunder Bay.

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