Observed 4:25 AM MDT at KBOI

Boise City, ID weather

Rainy and 52°11°, rain ~6–11 AM (75%).

Mostly agree

Now 52°11°

Rain

Wind: 8 mph13 km/h; From the north-northwest. Gusts to 26 mph42 km/h around 4 PM
Dew point: 48°9°; Comfortable · down to 40°4° by 4 PM
UV tomorrow: 4Moderate; Moderate 12–5 PM · peak 4
Air quality: 24Good; Main pollutant: Ozone
Pressure: 29.77 inHg1008 hPa; Rising · +0.05 inHg+1.9 hPa in 3 h

Light rain now, through the next 2 hours.

From forecast models

Next 48 hours

About the same as this time yesterday (52°11° then, 51°11° now)

Good hours for

Rain until 6 PM (90%, 0.67 in17 mm)
Gusts to 26 mph42 km/h today 3–6 PM
High 56°13° today at 5 PM

This morningDown to 44°7° by 8 AM · Rain all morning (90%)
This afternoonUp to 56°13° by 5 PM · Rain all afternoon (40%) · gusts to 26 mph42 km/h
TonightDown to 35°2° by 5 AM · Clear
Tomorrow morningUp to 47°8° by 11 AM · Partly cloudy
Tomorrow afternoonUp to 59°15° by 4 PM · Clear
Tomorrow nightDown to 40°4° by 3 AM · Clear

Hourly forecast, next 48 hours, in the place's local time
Hour	Conditions	Temperature	Feels like	Precipitation	Wind	Humidity	Cloud cover	UV index
Fri 5a	Cloudy	50°10° (likely 50°10° to 53°12°)	45°7°	90%, 0.07 in1.8 mm	13 mph21 km/h from WNW, gusts 16 mph26 km/h	91%	100%	0
Fri 6a	Cloudy	48°9° (likely 48°9° to 52°11°)	43°6°	80%, 0.08 in2 mm	13 mph21 km/h from WNW, gusts 16 mph25 km/h	88%	100%	0
Fri 7a	Cloudy	48°9° (likely 48°9° to 51°11°)	42°6°	80%, 0.08 in2 mm	14 mph23 km/h from WNW, gusts 17 mph28 km/h	87%	100%	0
Fri 8a	Drizzle	44°7° (likely 44°7° to 50°10°)	37°3°	80%, 0.08 in2 mm	15 mph24 km/h from WNW, gusts 21 mph33 km/h	92%	100%	0
Fri 9a	Drizzle	44°7° (likely 44°7° to 49°9°)	37°3°	80%, 0.08 in2 mm	15 mph24 km/h from WNW, gusts 24 mph38 km/h	96%	100%	0
Fri 10a	Drizzle	46°8° (likely 46°8° to 49°9°)	40°4°	80%, 0.08 in2 mm	15 mph24 km/h from WNW, gusts 23 mph36 km/h	90%	100%	0
Fri 11a	Showers	48°9° (likely 45°7° to 49°9°)	42°6°	80%, 0.08 in2 mm	15 mph24 km/h from WNW, gusts 20 mph33 km/h	82%	100%	1
Fri 12p	Cloudy	47°8° (likely 45°7° to 50°10°)	41°5°	40%, 0.02 in0.5 mm	15 mph24 km/h from WNW, gusts 20 mph32 km/h	78%	100%	0
Fri 1p	Drizzle	50°10° (likely 46°8° to 52°11°)	45°7°	40%, 0.02 in0.5 mm	16 mph26 km/h from NW, gusts 20 mph33 km/h	72%	100%	1
Fri 2p	Cloudy	52°11° (likely 48°9° to 53°12°)	52°11°	40%, 0.02 in0.5 mm	15 mph24 km/h from NW, gusts 23 mph38 km/h	66%	100%	0
Fri 3p	Cloudy	54°12° (likely 50°10° to 54°12°)	54°12°	40%, 0.02 in0.5 mm	18 mph29 km/h from NW, gusts 25 mph40 km/h	61%	99%	1
Fri 4p	Cloudy	55°13° (likely 51°11° to 55°13°)	55°13°	40%, 0.02 in0.5 mm	15 mph24 km/h from NW, gusts 26 mph42 km/h	57%	92%	1
Fri 5p	Cloudy	56°13° (likely 51°11° to 56°13°)	56°13°	40%, 0.02 in0.5 mm	15 mph24 km/h from NW, gusts 25 mph41 km/h	54%	81%	0
Fri 6p	Mostly sunny	56°13° (likely 50°10° to 56°13°)	56°13°	0%	16 mph26 km/h from NW, gusts 23 mph38 km/h	54%	41%	0
Fri 7p	Clear	54°12° (likely 47°8° to 54°12°)	54°12°	0%	13 mph21 km/h from NW, gusts 16 mph26 km/h	58%	22%	0
Fri 8p	Mostly clear	50°10° (likely 45°7° to 51°11°)	46°8°	0%	12 mph19 km/h from NW, gusts 14 mph22 km/h	63%	26%	0
Fri 9p	Clear	48°9° (likely 43°6° to 49°9°)	43°6°	0%	12 mph19 km/h from NW, gusts 13 mph21 km/h	64%	1%	0
Fri 10p	Clear	45°7° (likely 42°6° to 48°9°)	40°4°	0%	10 mph16 km/h from WNW, gusts 13 mph21 km/h	69%	0%	0
Fri 11p	Clear	43°6° (likely 40°4° to 46°8°)	37°3°	0%	12 mph19 km/h from WNW, gusts 11 mph18 km/h	71%	0%	0
Sat 12a	Clear	41°5° (likely 38°3° to 45°7°)	36°2°	0%	8 mph13 km/h from WNW, gusts 6 mph10 km/h	72%	1%	0
Sat 1a	Clear	40°4° (likely 36°2° to 43°6°)	35°2°	0%	7 mph11 km/h from WNW, gusts 5 mph8 km/h	72%	1%	0
Sat 2a	Clear	39°4° (likely 35°2° to 42°6°)	34°1°	0%	6 mph10 km/h from WNW, gusts 4 mph6 km/h	72%	1%	0
Sat 3a	Clear	37°3° (likely 34°1° to 42°6°)	34°1°	0%	5 mph8 km/h from WSW, gusts 3 mph5 km/h	74%	1%	0
Sat 4a	Clear	36°2° (likely 33°1° to 41°5°)	33°1°	0%	3 mph5 km/h from SW, gusts 2 mph4 km/h	77%	2%	0
Sat 5a	Clear	35°2° (likely 33°1° to 40°4°)	32°0°	0%	3 mph5 km/h from S, gusts 4 mph6 km/h	78%	4%	0
Sat 6a	Clear	33°1° (likely 32°0° to 40°4°)	30°−1°	0%	3 mph5 km/h from S, gusts 5 mph7 km/h	81%	9%	0
Sat 7a	Clear	34°1° (likely 32°0° to 40°4°)	31°−1°	0%	5 mph8 km/h from SSE, gusts 6 mph9 km/h	80%	11%	0
Sat 8a	Mostly sunny	34°1° (likely 33°1° to 40°4°)	30°−1°	0%	3 mph5 km/h from SE, gusts 6 mph10 km/h	82%	23%	0
Sat 9a	Sunny	35°2° (likely 35°2° to 41°5°)	32°0°	0%	3 mph5 km/h from SE, gusts 6 mph10 km/h	83%	26%	0
Sat 10a	Partly sunny	42°6° (likely 41°5° to 44°7°)	39°4°	0%	5 mph8 km/h from SSE, gusts 7 mph12 km/h	73%	48%	1
Sat 11a	Cloudy	47°8° (likely 44°7° to 48°9°)	44°7°	0%	5 mph8 km/h from S, gusts 4 mph6 km/h	63%	61%	2
Sat 12p	Mostly sunny	50°10° (likely 47°8° to 51°11°)	48°9°	0%	5 mph8 km/h from SSE, gusts 6 mph9 km/h	57%	10%	3
Sat 1p	Sunny	53°12° (likely 50°10° to 53°12°)	53°12°	0%	5 mph8 km/h from S, gusts 8 mph13 km/h	53%	4%	4
Sat 2p	Sunny	56°13° (likely 52°11° to 56°13°)	56°13°	0%	5 mph8 km/h from S, gusts 9 mph14 km/h	50%	4%	4
Sat 3p	Sunny	58°14° (likely 54°12° to 59°15°)	58°14°	0%	6 mph10 km/h from S, gusts 8 mph14 km/h	47%	5%	4
Sat 4p	Sunny	59°15° (likely 54°12° to 60°16°)	59°15°	0%	5 mph8 km/h from S, gusts 7 mph12 km/h	47%	3%	3
Sat 5p	Sunny	59°15° (likely 54°12° to 60°16°)	59°15°	0%	5 mph8 km/h from S, gusts 6 mph10 km/h	46%	2%	2
Sat 6p	Sunny	58°14° (likely 53°12° to 58°14°)	58°14°	0%	2 mph3 km/h from SSE, gusts 6 mph9 km/h	49%	2%	1
Sat 7p	Clear	55°13° (likely 51°11° to 55°13°)	55°13°	0%	2 mph3 km/h from SSE, gusts 5 mph9 km/h	56%	5%	0
Sat 8p	Clear	51°11° (likely 47°8° to 51°11°)	51°11°	0%	2 mph3 km/h from SSE, gusts 6 mph9 km/h	63%	0%	0
Sat 9p	Clear	48°9° (likely 45°7° to 49°9°)	47°8°	0%	3 mph5 km/h from E, gusts 6 mph9 km/h	68%	1%	0
Sat 10p	Clear	45°7° (likely 43°6° to 47°8°)	44°7°	0%	3 mph5 km/h from E, gusts 7 mph11 km/h	72%	0%	0
Sat 11p	Clear	44°7° (likely 43°6° to 48°9°)	42°6°	0%	3 mph5 km/h from E, gusts 7 mph12 km/h	74%	0%	0
Sun 12a	Clear	42°6° (likely 42°6° to 49°9°)	40°4°	0%	3 mph5 km/h from E, gusts 8 mph13 km/h	75%	5%	0
Sun 1a	Clear	42°6° (likely 39°4° to 52°11°)	39°4°	0%	3 mph5 km/h from E, gusts 8 mph12 km/h	76%	5%	0
Sun 2a	Clear	41°5° (likely 38°3° to 52°11°)	39°4°	0%	3 mph5 km/h from E, gusts 8 mph12 km/h	75%	2%	0
Sun 3a	Clear	40°4° (likely 37°3° to 51°11°)	38°3°	0%	3 mph5 km/h from E, gusts 7 mph11 km/h	75%	0%	0
Sun 4a	Clear	40°4° (likely 35°2° to 50°10°)	37°3°	0%	3 mph5 km/h from E, gusts 7 mph11 km/h	76%	4%	0

Days ahead

Shaded: typical range for these dates (1991–2020)

Today, Oct 23. Showers. High 56°13°, low 44°7°. Typical 61°16° / 39°4°. Rain 0.21 in5.3 mm, 80% chance. Mostly agree.
1. Morning
  6 AM–noon
  Showers, 44°7°
  80% chance · 0.48 in12 mm
2. Afternoon
  noon–6 PM
  Drizzle, 56°13°
  40% chance · 0.12 in3 mm
3. Evening
  6 PM–midnight
  Clear, 50°10°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 35°2°
  Dry
Official NWS forecast
Today: Rain showers. Mostly cloudy, with a high near 56. West northwest wind 13 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New rainfall amounts less than a tenth of an inch possible.
Tonight: Showers and thunderstorms. Cloudy. Low around 44, with temperatures rising to around 50 overnight. West northwest wind around 13 mph. Chance of precipitation is 90%.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
53°12°–58°14°
Low, likely
39°4°–46°8°
Typical high / low
61°16° / 39°4°
Wind
17 mph28 km/h, gusts 34 mph54 km/h
UV peak
2
Tomorrow, Oct 24. Mostly sunny. High 59°15°, low 36°2°. Typical 60°16° / 38°3°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 34°1°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 59°15°
  Dry
3. Evening
  6 PM–midnight
  Clear, 51°11°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 40°4°
  Dry
Official NWS forecast
Day: Widespread frost before 10am. Sunny, with a high near 59. South southeast wind around 6 mph.
Night: Clear, with a low around 36. Southeast wind around 3 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
55°13°–60°16°
Low, likely
32°0°–39°4°
Typical high / low
60°16° / 38°3°
Wind
8 mph13 km/h, gusts 15 mph23 km/h
UV peak
4
Sunday, Oct 25. Partly sunny. High 66°19°, low 42°6°. Typical 60°16° / 38°3°. Dry. Mostly agree. Best day outdoors this week.
1. Morning
  6 AM–noon
  Sunny, 43°6°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 63°17°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 55°13°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 50°10°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Areas of frost before 10am. Sunny, with a high near 66.
Night: Partly cloudy, with a low around 42.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
Best day outdoors this week: the one dry, mild day the forecasts agree on (high 66°19°).
High, likely
61°16°–66°19°
Low, likely
34°1°–48°9°
Typical high / low
60°16° / 38°3°
Wind
13 mph21 km/h, gusts 25 mph41 km/h
UV peak
4
Monday, Oct 26. Partly sunny. High 64°18°, low 38°3°. Typical 59°15° / 38°3°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 48°9°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 62°16°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 52°11°
  30% chance · 0.02 in0.6 mm
4. Overnight
  midnight–6 AM
  Drizzle, 45°7°
  20% chance
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 64.
Night: A chance of rain showers. Mostly cloudy, with a low around 38. Chance of precipitation is 40%.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
57°14°–70°21°
Low, likely
38°3°–50°10°
Typical high / low
59°15° / 38°3°
Wind
14 mph23 km/h, gusts 25 mph40 km/h
UV peak
4
Tuesday, Oct 27. Partly sunny. High 57°14°, low 35°2°. Typical 59°15° / 37°3°. Rain 0.04 in1 mm, 20% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Drizzle, 44°7°
  20% chance · 0.03 in0.7 mm
2. Afternoon
  noon–6 PM
  Cloudy, 54°12°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 48°9°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 41°5°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: A slight chance of rain showers before noon. Mostly sunny, with a high near 57. Chance of precipitation is 20%.
Night: Partly cloudy, with a low around 35.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
52°11°–58°14°
Low, likely
35°2°–46°8°
Typical high / low
59°15° / 37°3°
Wind
10 mph17 km/h, gusts 27 mph43 km/h
UV peak
3
Wednesday, Oct 28. Fog. High 59°15°, low 37°3°. Typical 58°14° / 37°3°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Partly sunny, 39°4°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 57°14°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 51°11°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 41°5°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Patchy fog between 8am and 9am. Mostly sunny, with a high near 59.
Night: Partly cloudy, with a low around 37.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
54°12°–59°15°
Low, likely
33°1°–44°7°
Typical high / low
58°14° / 37°3°
Wind
13 mph21 km/h, gusts 26 mph41 km/h
UV peak
3
Thursday, Oct 29. Cloudy. High 60°16°, low 40°4°. Typical 58°14° / 37°3°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 41°5°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 56°13°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 50°10°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 42°6°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 60.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
52°11°–60°16°
Low, likely
37°3°–45°7°
Typical high / low
58°14° / 37°3°
Wind
12 mph19 km/h, gusts 22 mph35 km/h
UV peak
3
Friday, Oct 30. Cloudy. High 54°12°, low 38°3°. Typical 57°14° / 36°2°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 41°5°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 56°13°
  Dry
3. Evening
  6 PM–midnight
  Clear, 50°10°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 43°6°
  Dry
Hours this far out come from computer models only.
The National Weather Service writes about seven days ahead; this day is our model forecast only.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
49°9°–60°16°
Low, likely
36°2°–41°5°
Typical high / low
57°14° / 36°2°
Wind
7 mph12 km/h, gusts 19 mph31 km/h
UV peak
3
Saturday, Oct 31. Mostly sunny. High 54°12°, low 40°4°. Typical 56°13° / 36°2°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 43°6°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 56°13°
  Dry
3. Evening
  6 PM–midnight
  Clear, 51°10°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 43°6°
  Dry
Hours this far out come from computer models only.
The National Weather Service writes about seven days ahead; this day is our model forecast only.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
50°10°–61°16°
Low, likely
36°2°–44°7°
Typical high / low
56°13° / 36°2°
Wind
5 mph9 km/h, gusts 12 mph19 km/h
UV peak
3
Sunday, Nov 1. Cloudy. High 56°13°, low 41°5°. Typical 56°13° / 36°2°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Mostly sunny, 45°7°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 54°12°
  Dry
3. Evening
  6 PM–midnight
  Mostly clear, 52°11°
  Dry
Hours this far out come from computer models only.
The National Weather Service writes about seven days ahead; this day is our model forecast only.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
51°11°–62°17°
Low, likely
37°3°–46°8°
Typical high / low
56°13° / 36°2°
Wind
6 mph10 km/h, gusts 26 mph42 km/h
UV peak
3

10 days15 days30 days

The outlook

Today
75% chance of rain, high 56°, low 44°.
Tomorrow
Dry, high 59°, low 36°, warming up.
Sunday
Dry, high 66°, low 42°, warming up.
Rest of week
Mostly dry, highs 54–64°.

Want the meteorologists’ reasoning? Read the NWS forecast discussion (BOI) (opens in a new tab)

What changed since yesterday

No meaningful changes from yesterday’s forecast.

Radar

Radar data: NOAA MRMS, rendered by forecast.blue

Radar loads when scrolled into view

Full-screen radar

For your home

What this week’s weather means for heating, cooling, pipes and fresh air.

Heating this week

About 68% less heating than a typical week.

This week 36Typical 116

Heating degree days, base 65°F

Heat-pump hours, next 7 days

h below 47°F: 25
h below 17°F: 0
h below 5°F: 0

47, 17 and 5°F are the test points heat pumps are rated at. About 4 hours are near freezing and damp, when outdoor units defrost more often.

Comfort

Dry air outside (dew point 48°F).

Open the windows?

No stretch in the next few days is comfortable enough outside, by temperature, dew point and air quality.

Is this typical?

Boise Air Terminal · official normals 1991–2020 · records 1940–2026

Oct 23, today vs a typical year

Today’s expected high is 5°3° colder than typical.

Last 7 days vs normal

On average 10°6° warmer than normal (daily mean temperature).

+12°+7°SatOct 17
+6°+3°SunOct 18
+8°+4°MonOct 19
+9°+5°TueOct 20
+16°+9°WedOct 21
+13°+7°ThuOct 22
—FriOct 23

Boise City weather by month: normals, records, snow and freeze dates

Sun & moon

Sun

Daylight: 10 h 39 min; Losing 2 min 53 s a day; shortest Dec 21, 1 h 43 min less
Golden hour: 6:08–7:06 PM; Morning 7:51–8:49 AM
Blue hour: 7:06–7:17 PM; Morning 7:40–7:51 AM; first light 7:40 AM

Stars tonight? Poor

Clouds most of the night (about 100% cover).

Moon

Waxing gibbous

91% lit · growing

Today: sets 5:16 AM · rises 5:25 PM
Full moon: Oct 25
New moon: Nov 9

Looking northeast from Boise City. The highest point on the skyline is about 7,500 ft, 14 mi away.Skyline from USGS elevation data, heights drawn up to 5× taller. Sky, sun and moon as they are now.