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Today Hourly 7 days 30 days September
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September 2026 Weather | Caldwell, Idaho

Today 9/1
Cloudy Weather
Day 82°
Night 61°
40
Wed 9/2
Cloudy Weather
Day 79°
Night 55°
6
Thu 9/3
Rainy Weather
Day 70°
Night 54°
85
Fri 9/4
Partly Sunny with Showers
Day 72°
Night 48°
80
Sat 9/5
Cloudy Weather
Day 77°
Night 50°
55
Sun 9/6
Cloudy Weather
Day 77°
Night 55°
12
Mon 9/7
Cloudy Weather
Day 73°
Night 54°
17
Tue 9/8
Sunny Weather
Day 79°
Night 55°
2
Wed 9/9
Sunny Weather
Day 81°
Night 54°
1
Thu 9/10
Rainy Weather
Day 77°
Night 55°
59
Fri 9/11
Sunny Weather
Day 82°
Night 55°
0
Sat 9/12
Sunny Weather
Day 84°
Night 55°
0
Sun 9/13
Sunny Weather
Day 81°
Night 54°
0
Mon 9/14
Sunny Weather
Day 81°
Night 48°
20
Tue 9/15
Sunny Weather
Day 88°
Night 55°
20
Wed 9/16
Sunny Weather
Day 88°
Night 54°
Thu 9/17
Sunny Weather
Day 73°
Night 48°
Fri 9/18
Sunny Weather
Day 73°
Night 48°
Sat 9/19
Sunny Weather
Day 81°
Night 54°
Sun 9/20
Sunny Weather
Day 82°
Night 54°
Mon 9/21
Sunny Weather
Day 73°
Night 50°
Tue 9/22
Cloudy Weather
Day 79°
Night 54°
Wed 9/23
Sunny Weather
Day 82°
Night 54°
Thu 9/24
Rainy Weather
Day 77°
Night 48°
Fri 9/25
Sunny Weather
Day 68°
Night 43°
Sat 9/26
Cloudy Weather
Day 70°
Night 52°
Sun 9/27
Cloudy Weather
Day 75°
Night 50°
Mon 9/28
Cloudy Weather
Day 68°
Night 45°
4
Tue 9/29
Sunny Weather
Day 66°
Night 45°
97
Wed 9/30
Cloudy Weather
Day 72°
Night 48°
55

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