Augusta, Montana Weather
Monsoon storms drench the south. Day 15 of summer. Read this microseason across nine climate regions →
Augusta weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Partly Cloudy——84°52°—
- SundayJul 5Overcast——83°56°-1°
- MondayJul 6Overcast49%—72°54°-11°
- TuesdayJul 7Overcast49%—84°55°+12°
- WednesdayJul 8Overcast11%—89°59°+5°
- ThursdayJul 9Overcast——82°51°-7°
- FridayJul 10Clear——88°54°+6°
AQI 45 (Good), driven by Ozone. AQI up 5 over the last 6 hours (gradual rise). Ozone at AQI 40 now. With UV 0.1 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 10 around 1 PM.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.
What's driving it
Ozone × UV × Sky
Ozone at AQI 40 now. With UV 0.1 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 10 around 1 PM.
- Present
- AQI 40
- UV peak
- 0.1 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 10
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
- 11:54 PM
- Moonset
- 11:43 AM
- In sign
- ♓︎ Pisces
Monsoon storms drench the south
Augusta at a glance
- Today vs. normal: 9°F above the seasonal normal for this latitude
- Last frost: May 31 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 59410
16-Day Forecast — Augusta
- Sat84°52°0%
- Sun83°56°1%
- Mon72°54°49%
- Tue84°55°49%
- Wed89°59°11%
- Thu82°51°7%
- Fri88°54°2%
- Sat96°61°2%
- Sun95°65°5%
- Mon97°64°9%
- Tue101°64°12%
- Wed96°62°23%
- Thu93°60°23%
- Fri95°55°26%
- Sat88°59°29%
- Sun91°59°17%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of July 5, 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 — Augusta
SPC includes Augusta 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 Augusta
- 59410