Boise, ID Hourly Weather Forecast

Boise temperature trend - Next 24 hours

The next 24 hours at a glance

Warmest hour: 6 PM - around 82°
Coolest hour: 7 AM - around 53°
Rain risk: low all day (peaks at 11%)
UV peak: 2 PM at index 6 - sun protection recommended
Windiest: 7 PM at 10 mph

Boise hourly weather - Wednesday, September 16

In Boise, expect a high near 82°F (28°C) around 6 PM and a low of 53°F (11°C) near 7 AM, with no meaningful precipitation risk.

Time	Conditions	Temp	Feels	Rain	Wind	Humidity	UV
12 AM	Overcast	62°	57°	9%	2 mph WSW	25%	0
1 AM	Overcast	61°	56°	9%	2 mph W	27%	0
2 AM	Clear	59°	53°	1%	3 mph NW	30%	0
3 AM	Partly Cloudy	56°	51°	4%	3 mph NW	32%	0
4 AM	Overcast	56°	50°	9%	4 mph WNW	34%	0
5 AM	Cloudy	54°	50°	6%	4 mph WNW	38%	0
6 AM	Overcast	53°	48°	10%	3 mph WNW	41%	0
7 AM	Overcast	53°	48°	11%	2 mph W	44%	0
8 AM	Overcast	54°	49°	11%	2 mph WNW	45%	0
9 AM	Cloudy	56°	52°	6%	3 mph W	42%	0
10 AM	Sunny	60°	55°	1%	4 mph W	37%	1
11 AM	Sunny	64°	58°	1%	5 mph WNW	31%	3
12 PM	Sunny	68°	62°	1%	4 mph W	25%	4
1 PM	Sunny	72°	66°	1%	3 mph WSW	21%	5
2 PM	Sunny	75°	68°	0%	4 mph WNW	18%	6
3 PM	Sunny	78°	70°	0%	5 mph WNW	16%	5
4 PM	Sunny	80°	72°	0%	6 mph WNW	15%	4
5 PM	Sunny	82°	74°	0%	7 mph NNW	14%	2
6 PM	Overcast	82°	73°	8%	9 mph NNW	14%	1
7 PM	Overcast	80°	70°	9%	10 mph NW	16%	0
8 PM	Cloudy	72°	64°	5%	8 mph WNW	24%	0
9 PM	Patchy rain nearby	69°	63°	10%	6 mph NNW	30%	0
10 PM	Overcast	68°	63°	10%	4 mph N	32%	0
11 PM	Overcast	67°	62°	9%	3 mph WNW	32%	0

Boise hourly weather - Thursday, September 17

In Boise, expect a high near 83°F (28°C) around 4 PM and a low of 58°F (14°C) near 7 AM; precipitation risk peaks at 18% around 6 PM.

Time	Conditions	Temp	Feels	Rain	Wind	Humidity	UV
12 AM	Overcast	64°	58°	10%	5 mph WNW	34%	0
1 AM	Overcast	61°	57°	10%	2 mph NW	40%	0
2 AM	Overcast	61°	57°	10%	2 mph SW	42%	0
3 AM	Cloudy	60°	56°	6%	1 mph WSW	45%	0
4 AM	Clear	59°	56°	2%	1 mph SE	45%	0
5 AM	Cloudy	59°	55°	8%	2 mph S	45%	0
6 AM	Partly Cloudy	59°	56°	6%	2 mph SW	46%	0
7 AM	Cloudy	58°	55°	8%	1 mph W	48%	0
8 AM	Sunny	59°	55°	2%	3 mph WSW	48%	0
9 AM	Sunny	62°	57°	1%	4 mph WNW	44%	0
10 AM	Sunny	66°	61°	1%	4 mph W	38%	1
11 AM	Sunny	69°	65°	1%	4 mph W	34%	3
12 PM	Sunny	74°	68°	0%	6 mph WSW	30%	4
1 PM	Sunny	77°	69°	0%	9 mph WNW	26%	5
2 PM	Sunny	79°	71°	0%	10 mph WNW	22%	5
3 PM	Sunny	82°	74°	0%	8 mph WNW	19%	5
4 PM	Sunny	83°	72°	1%	15 mph W	18%	3
5 PM	Overcast	82°	68°	9%	18 mph W	18%	2
6 PM	Light rain shower	74°	66°	18%	10 mph WNW	28%	0
7 PM	Cloudy	73°	67°	5%	7 mph NNE	30%	0
8 PM	Clear	70°	66°	1%	2 mph NNW	30%	0
9 PM	Patchy rain nearby	68°	62°	7%	6 mph NW	33%	0
10 PM	Clear	65°	59°	1%	6 mph NW	40%	0
11 PM	Clear	64°	59°	1%	6 mph NW	44%	0

Quick answers for the hours ahead

What is the warmest hour in Boise today?

6 PM is forecast to be the warmest, at about 82°F (28°C) with overcast.

Will it rain in Boise tonight?

Unlikely - the evening precipitation chance stays at or below 10%.

When is the UV index highest in Boise today?

Around 2 PM, when it reaches 6. From UV 3 upward, sun protection is recommended.

Boise hour-by-hour: what to expect

Over the next 24 hours in Boise, temperatures range from 53°F (11°C) around 7 AM up to 82°F (28°C) near 6 PM - right in line with the typical September high of 80°F (27°C).

Precipitation chances stay minimal throughout, so plans can skip the umbrella.

The “feels like” column blends humidity and wind into an apparent temperature - see how it works in our feels-like temperature guide. Planning further ahead? Check the Boise 14-day forecast or the monthly climate averages.

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Boise, ID Hourly Forecast