Boulder, Montana Weather
Monsoon storms drench the south. Day 14 of summer. Read this microseason across nine climate regions →
Boulder weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Overcast——85°54°—
- SundayJul 5Overcast28%—85°59°0°
- MondayJul 6Showers59%0.22″82°57°-3°
- TuesdayJul 7Showers59%0.11″87°55°+5°
- WednesdayJul 8Overcast47%—89°59°+2°
- ThursdayJul 9Clear19%—80°57°-9°
- FridayJul 10Clear——84°54°+4°
AQI 37 (Good), driven by Ozone. AQI down 6 over the last 6 hours (gradual decline).
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.
Trends
Seven days of AQI and PM2.5.
Hourly air-quality data from the Copernicus Atmosphere Monitoring Service, charted across the past and next several days. Dashed lines mark the AQI breakpoints at 50 (Good → Moderate) and 100 (Moderate → Unhealthy for Sensitive Groups).
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
- Moonrise
- 11:34 PM
- Moonset
- 10:31 AM
- In sign
- ♓︎ Pisces
Monsoon storms drench the south
Boulder at a glance
- Today vs. normal: 7°F below the seasonal normal for this latitude
- Last frost: May 23 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 59632
15-Day Forecast — Boulder
- Sat85°54°6%
- Sun85°59°28%
- Mon82°57°59%
- Tue87°55°59%
- Wed89°59°47%
- Thu80°57°19%
- Fri84°54°6%
- Sat93°58°5%
- Sun79°57°6%
- Mon88°54°11%
- Tue97°62°15%
- Wed97°69°16%
- Thu94°65°16%
- Fri96°66°18%
- Sat95°65°19%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of July 4, the growing season is at its peak — frost is months away. Continue succession-planting beans and summer squash. Start fall brassicas (broccoli, cabbage, kale) from seed indoors for transplanting in late summer.
SPC Convective Outlook
Storm Prediction Center — Boulder
SPC includes Boulder in the general thunderstorm area tomorrow — no severe risk, but storms are possible.
- TODAYNONENo severe risk
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3TSTMGeneral Thunderstorms
Thunderstorms possible. Not severe, but capable of producing lightning and brief heavy rain.
Source: NOAA / NWS Storm Prediction Center categorical convective outlook. Outlooks are re-issued multiple times per day; this page reflects the most recent SPC polygons covering the city’s coordinates.
ZIP codes in Boulder
- 59632