Muscoy Weather Forecast

Today 29 Sep
- 61
- 89
Sunny
Wed 30 Sep
- 63
- 91
Mostly Sunny
Thu 1 Oct
- 67
- 95
Mostly Sunny
Fri 2 Oct
- 73
- 100
Hot
Sat 3 Oct
- 72
- 100
Hot
Sun 4 Oct
- 72
- 99
Hot
Mon 5 Oct
- 71
- 97
Hot

Today 29 Sep
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
Wed 30 Sep
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
Thu 1 Oct
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. 11 am
11. 2 pm
12. 5 pm
13. 8 pm
14. 11 pm
Fri 2 Oct
1. 2 am
2. 5 am
3. 8 am
4. 11 am
5. 2 pm
6. 5 pm
7. 11 pm
Sat 3 Oct
1. 5 am
2. 11 am
3. 5 pm
4. 11 pm
Sun 4 Oct
1. 5 am
2. 11 am
3. 5 pm
4. 11 pm
Mon 5 Oct
1. 5 am
2. 11 am
3. 5 pm
4. 11 pm

Today 29 Sep San Bernardino and Riverside County Valleys-The Inland Empire

Sunny, hot. Highs 94 to 100.

Tonight 29 Sep San Bernardino and Riverside County Valleys-The Inland Empire

Mostly clear. Lows 55 to 61. Areas of Winds south 10 to 15 Mph with Gusts to 25 Mph becoming southeast overnight.

Muscoy Temperature Statistics

September Temperature

San Bernardino Intl. Airport (6.8 miles)

Lowest 21 February, 2026
34.7 °F
Average 2026
67.6 °F
Highest 26 August, 2026
109.4 °F
Lowest 15 August, 2026
63.9 °F
Average August
81.1 °F
Highest 26 August, 2026
109.4 °F
Lowest 19 September, 2026
57.2 °F
Average September
74.2 °F
Highest 9 September, 2026
105.8 °F

Climate (2021–2026)

San Bernardino Intl. Airport (6.8 miles)

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Average Low 2021–2026
54.2 °F
Average 2021–2026
63.2 °F
Average High 2021–2026
80.3 °F

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Muscoy Weather Forecast

Today 29 Sep San Bernardino and Riverside County Valleys-The Inland Empire

Tonight 29 Sep San Bernardino and Riverside County Valleys-The Inland Empire

Wed 30 Sep San Bernardino and Riverside County Valleys-The Inland Empire

Wed 30 Sep San Bernardino and Riverside County Valleys-The Inland Empire

Thu 1 Oct San Bernardino and Riverside County Valleys-The Inland Empire

Thu 1 Oct San Bernardino and Riverside County Valleys-The Inland Empire

Fri 2 Oct San Bernardino and Riverside County Valleys-The Inland Empire

Fri 2 Oct San Bernardino and Riverside County Valleys-The Inland Empire

Sat 3 Oct San Bernardino and Riverside County Valleys-The Inland Empire

Sat 3 Oct San Bernardino and Riverside County Valleys-The Inland Empire

Sun 4 Oct San Bernardino and Riverside County Valleys-The Inland Empire

Sun 4 Oct San Bernardino and Riverside County Valleys-The Inland Empire

Mon 5 Oct San Bernardino and Riverside County Valleys-The Inland Empire

Mon 5 Oct San Bernardino and Riverside County Valleys-The Inland Empire

Temperature Forecast NOAA

Temperature Real-Time

Santa Ana Mountains Radar

National Satellite

National Synoptic

Muscoy Temperature Statistics

September Temperature

San Bernardino Intl. Airport (6.8 miles)

Lowest 21 February, 2026

Average 2026

Highest 26 August, 2026

Lowest 15 August, 2026

Average August

Highest 26 August, 2026

Lowest 19 September, 2026

Average September

Highest 9 September, 2026

Climate (2021–2026)

San Bernardino Intl. Airport (6.8 miles)

Average Low 2021–2026

Average 2021–2026

Average High 2021–2026