Fairfield, Montana Weather
Monsoon storms drench the south. Day 14 of summer. Read this microseason across nine climate regions →
Fairfield weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Overcast——80°54°—
- SundayJul 5Overcast——82°57°+2°
- MondayJul 6Light Drizzle43%—72°51°-10°
- TuesdayJul 7Overcast43%—82°55°+10°
- WednesdayJul 8Overcast25%—92°58°+10°
- ThursdayJul 9Partly Cloudy14%—78°59°-14°
- FridayJul 10Clear——83°48°+5°
AQI 35 (Good), driven by Ozone. AQI down 8 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
- 11:36 PM
- Moonset
- 10:28 AM
- In sign
- ♓︎ Pisces
Monsoon storms drench the south
Fairfield at a glance
- Today vs. normal: 5°F below the seasonal normal for this latitude
- Last frost: June 1 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 59436
15-Day Forecast — Fairfield
- Sat80°55°2%
- Sun82°57°2%
- Mon72°51°43%
- Tue82°55°43%
- Wed92°58°25%
- Thu78°59°14%
- Fri83°48°5%
- Sat96°55°4%
- Sun78°59°5%
- Mon87°52°6%
- Tue97°59°11%
- Wed98°67°16%
- Thu93°61°14%
- Fri99°63°13%
- Sat101°65°10%
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.
ZIP codes in Fairfield
- 59436