Sweet Grass, Montana Weather
Paintbrush crowns the ridges. Day 86 of spring. Read this microseason across nine climate regions →
Sweet Grass weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 13Overcast——62°43°—
- SundayJun 14Overcast——70°44°+8°
- MondayJun 15Overcast——75°54°+5°
- TuesdayJun 16Drizzle70%0.02″76°53°+1°
- WednesdayJun 17Light Showers70%0.53″59°47°-17°
- ThursdayJun 18Overcast35%—72°48°+13°
- FridayJun 19Overcast22%—68°50°-4°
AQI 27 (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).
Cut your thistles before St. John, you will have two instead of one.
- Moonrise
- 3:34 AM
- Moonset
- 7:28 PM
- In sign
- ♉︎ Taurus
Paintbrush crowns the ridges
Sweet Grass at a glance
- Today vs. normal: 22°F below the seasonal normal for this latitude
- Last frost: June 9 (climatological average for this latitude)
- Microseason: Jun 11–15
- Planting window: Prune spring-blooming shrubs after flowers fade.
15-Day Forecast — Sweet Grass
- Sat63°43°4%
- Sun70°44°0%
- Mon75°54°2%
- Tue76°53°70%
- Wed59°47°70%
- Thu72°48°35%
- Fri68°50°22%
- Sat78°51°36%
- Sun60°50°39%
- Mon54°48°39%
- Tue65°48°31%
- Wed73°50°31%
- Thu77°54°29%
- Fri87°58°29%
- Sat96°64°34%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Warm-season window is open
As of June 13, the last spring frost has passed for most years. Transplant tomatoes, peppers, eggplants, basil, and cucurbits (cucumbers, squash, melons) now. Direct-sow beans and corn into warm soil.
ZIP codes in Sweet Grass
- 59484