Brockton, Montana Weather
Paintbrush crowns the ridges. Day 88 of spring. Read this microseason across nine climate regions →
Brockton weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 15Light Drizzle21%—76°54°—
- TuesdayJun 16Heavy Drizzle86%0.06″85°54°+9°
- WednesdayJun 17Light Showers86%0.27″64°55°-21°
- ThursdayJun 18Light Drizzle28%—70°49°+6°
- FridayJun 19Overcast——74°51°+4°
- SaturdayJun 20Overcast12%—78°56°+4°
- SundayJun 21Drizzle33%0.18″65°57°-13°
AQI 28 (Good), driven by PM2.5. AQI down 9 over the last 6 hours (gradual decline). PM2.5 at 8.2 µg/m³, PM10 at 8.6 µg/m³ — typical background levels with no transport signature.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.
What's driving it
PM × Wind × Precip
PM2.5 at 8.2 µg/m³, PM10 at 8.6 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.95
- Wind
- light
- Recent rain
- 0h in last 6h
- Pattern
- background
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).
A summer fog for fair, a winter fog for rain.
- Moonrise
- 4:53 AM
- Moonset
- 9:31 PM
- In sign
- ♊︎ Gemini
Paintbrush crowns the ridges
Brockton at a glance
- Today vs. normal: 12°F below the seasonal normal for this latitude
- Last frost: June 4 (climatological average for this latitude)
- Microseason: Jun 11–15
- Planting window: Stake and prune tomato suckers. Watch for squash vine borers.
15-Day Forecast — Brockton
- Mon75°54°21%
- Tue85°54°86%
- Wed64°55°86%
- Thu70°49°28%
- Fri74°51°7%
- Sat78°56°12%
- Sun65°57°33%
- Mon73°58°22%
- Tue79°55°11%
- Wed76°59°11%
- Thu76°59°28%
- Fri84°66°26%
- Sat78°60°24%
- Sun81°60°16%
- Mon84°63°18%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Warm-season window is open
As of June 15, 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.
SPC Convective Outlook
Storm Prediction Center — Brockton
SPC has placed Brockton in the General Thunderstorms category for severe thunderstorms today.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3NONENo severe risk
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 Brockton
- 59213