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Boise, Idaho · now

70°

Partly Cloudy

High / Low
76° / 44°
Wind
33 mph ESE
Humidity
35%

Tomorrow· Thursday74°/46°· Sunny

13° warmer than yesterday at this time

No precipitation expected in the next 1.6 hours.

Current weather and 7-day forecast for Boise, Idaho, sourced directly from the National Weather Service. Expect isolated showers and thunderstorms then areas of blowing dust today. Today's high is 76° with a low near 44°. 1 active weather alert in effect.

What to wear today

T-shirt and shorts weather

76°F today — easy summer dressing.

Temperature · next 24 hours

40° 60° 80° 73° 46° 6 AM 9 AM 12 PM 3 PM 6 PM 9 PM 12 AM 3 AM

Next 24 hours

  1. 6 AM

    68°

    17%

  2. 8 AM

    66°

    20%

  3. 10 AM

    70°

    17%

  4. 12 PM

    73°

    5%

  5. 2 PM

    72°

    4%

  6. 4 PM

    69°

    2%

  7. 6 PM

    66°

    0%

  8. 8 PM

    64°

    0%

  9. 10 PM

    58°

    0%

  10. 12 AM

    54°

    0%

  11. 2 AM

    51°

    0%

  12. 4 AM

    47°

    0%

Live radar

View full radar →

7 days

  1. Today 5/13 Isolated Showers And Thunderstorms then Areas Of Blowing Dust 21% 76° · 44°
  2. Thu 5/14 Sunny 0% 74° · 46°
  3. Fri 5/15 Sunny 0% 73° · 44°
  4. Sat 5/16 Mostly Sunny 3% 66° · 38°
  5. Sun 5/17 Mostly Sunny 1% 63° · 38°
  6. Mon 5/18 Sunny 1% 70° · 41°
  7. Tue 5/19 Sunny 1% 75° · 44°
Extended outlook days 8–16
  1. Wed 5/20 Mostly Sunny 1% 80° · 54°
  2. Thu 5/21 Cloudy 4% 76° · 62°
  3. Fri 5/22 Cloudy 4% 73° · 55°
  4. Sat 5/23 Cloudy 8% 68° · 50°
  5. Sun 5/24 Partly Cloudy 9% 75° · 49°
  6. Mon 5/25 Partly Cloudy 10% 73° · 53°
  7. Tue 5/26 Sunny 10% 85° · 55°
  8. Wed 5/27 Cloudy 10% 100° · 67°
  9. Thu 5/28 Cloudy 10% 92° · 71°

Days 8+ from the Open-Meteo multi-model ensemble — treat as a guide; accuracy drops past day 7.

Best time to head outside

Picks the upcoming daytime hour with the most favorable conditions for each activity. Factors in temperature, wind, precipitation timing, and pollen.

  • Run8 AM

    warm at 66°F · calm wind · slight chance of rain (20%) · pollen high today — allergy sufferers, take note

    Excellent98 / 100
  • Bike7 AM

    comfortable at 67°F · calm wind · slight chance of rain (17%) · pollen high today — allergy sufferers, take note

    Excellent100 / 100
  • Golf7 AM

    comfortable at 67°F · calm wind · slight chance of rain (17%) · pollen high today — allergy sufferers, take note

    Excellent100 / 100
  • Picnic9 AM

    comfortable at 68°F · calm wind · slight chance of rain (21%) · pollen high today — allergy sufferers, take note

    Excellent100 / 100

Climate normals

What weather to expect in Boise

Boise in May typically averages 74° highs and 48° lows, with about 5 days of rain. The hottest stretch is July (average high 95°); the coldest is January (average low 25°). November is the wettest month on average.

MonthAvg highAvg lowRainy days
Jan40°25°9
Feb45°29°13
Mar58°37°11
Apr62°39°11
May74°48°5
Jun84°57°4
Jul95°65°1
Aug91°62°2
Sep83°56°3
Oct65°43°8
Nov51°35°15
Dec45°31°15

Normals derived from the past two years of observations via Open-Meteo's historical archive.

Forecast details

NWS gridpoint
BOI 133,86
Radar station
KCBX
Time zone
America/Boise
Coordinates
43.615, -116.202