Joliet Weather Forecast

Today 18 Apr
- 29
- 59
Mostly Sunny
Sun 19 Apr
- 40
- 69
Mostly Sunny
Mon 20 Apr
- 43
- 76
Partly Sunny
Tue 21 Apr
- 47
- 81
Partly Sunny
Wed 22 Apr
- 41
- 76
Rain Showers Likely
Thu 23 Apr
- 29
- 56
Rain Showers Likely

Today 18 Apr
1. 12 am
2. 1 am
3. 2 am
4. 3 am
5. 4 am
6. 5 am
7. 6 am
8. 7 am
9. 8 am
10. 9 am
11. 10 am
12. 11 am
13. 12 pm
14. 1 pm
15. 2 pm
16. 3 pm
17. 4 pm
18. 5 pm
19. 6 pm
20. 7 pm
21. 8 pm
22. 9 pm
23. 10 pm
24. 11 pm
Sun 19 Apr
1. 12 am
2. 1 am
3. 2 am
4. 3 am
5. 4 am
6. 5 am
7. 6 am
8. 7 am
9. 8 am
10. 9 am
11. 10 am
12. 11 am
13. 12 pm
14. 3 pm
15. 6 pm
16. 9 pm
Mon 20 Apr
1. 12 am
2. 3 am
3. 6 am
4. 9 am
5. 12 pm
6. 3 pm
7. 6 pm
Tue 21 Apr
1. 12 am
2. 6 am
3. 12 pm
4. 6 pm
Wed 22 Apr
1. 12 am
2. 6 am
3. 12 pm
4. 6 pm
Thu 23 Apr
1. 12 am
2. 6 am
3. 12 pm
4. 6 pm
Fri 24 Apr
1. 12 am
2. 6 am
3. 12 pm
4. 6 pm

Today 18 Apr Northern Carbon

Sunny, warmer. Highs in the upper 50s. West Winds 5 to 15 Mph.

Tonight 18 Apr Northern Carbon

Mostly clear. Lows in the upper 20s. Southwest Winds 5 to 15 Mph.

Joliet Temperature Statistics

April Temperature

Billings, Billings Logan International Airport (29.8 miles)

Lowest 23 January, 2026
-5.4 °F
Average 2026
40.9 °F
Highest 20 March, 2026
83.6 °F
Lowest 15 March, 2026
6.7 °F
Average March
44.5 °F
Highest 20 March, 2026
83.6 °F
Lowest 1 April, 2026
29.6 °F
Average April
48.1 °F
Highest 11 April, 2026
77.6 °F

Climate (2021–Present)

Billings, Billings Logan International Airport (29.8 miles)

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Average Low 2021–2026
39.1 °F
Average 2021–2026
50 °F
Average High 2021–2026
61.2 °F

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Joliet Weather Forecast

Today 18 Apr Northern Carbon

Tonight 18 Apr Northern Carbon

Sun 19 Apr Northern Carbon

Sun 19 Apr Northern Carbon

Mon 20 Apr Northern Carbon

Mon 20 Apr Northern Carbon

Tue 21 Apr Northern Carbon

Tue 21 Apr Northern Carbon

Wed 22 Apr Northern Carbon

Wed 22 Apr Northern Carbon

Thu 23 Apr Northern Carbon

Thu 23 Apr Northern Carbon

Fri 24 Apr Northern Carbon

Temperature Forecast NOAA

Temperature Real-Time

Billings Radar

National Satellite

National Synoptic

Joliet Temperature Statistics

April Temperature

Billings, Billings Logan International Airport (29.8 miles)

Lowest 23 January, 2026

Average 2026

Highest 20 March, 2026

Lowest 15 March, 2026

Average March

Highest 20 March, 2026

Lowest 1 April, 2026

Average April

Highest 11 April, 2026

Climate (2021–Present)

Billings, Billings Logan International Airport (29.8 miles)

Average Low 2021–2026

Average 2021–2026

Average High 2021–2026