Sunnybrook Colony, Montana Weather
Granite bones emerge from cover. Day 50 of autumn. Read this microseason across nine climate regions →
Sunnybrook Colony weather forecast — hour by hour, 7-day outlook, NOAA radar
Conditions updated 12:25 PM MST · Open-Meteo
- TodayNov 10Overcast later11%—56°38°—
- WednesdayNov 11Overcast——62°43°+6°
- ThursdayNov 12Overcast——59°46°-3°
- FridayNov 13Overcast——57°43°-2°
- SaturdayNov 14Overcast——50°40°-7°
- SundayNov 15Overcast——55°38°+5°
- MondayNov 16Overcast——54°38°-1°
Air quality now AQI 28 · Good
AQI 28 (Good), driven by Ozone. AQI flat over the last 6 hours (within ±3 points). Ozone at AQI 38 now. With UV 1.4 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 6.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion during the projected peak around 8 PM.
What's driving it
Ozone × UV × Sky
Ozone at AQI 38 now. With UV 1.4 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 6.
- Present
- AQI 38
- UV peak
- 1.4 at 1 PM
- Sky at peak
- partly cloudy
- Projected peak
- AQI 6
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).
When the wind is in the west, the weather is at its best.
- Moonrise
- 9:23 AM
- Moonset
- —
- In sign
- ♐︎ Sagittarius
Granite bones emerge from cover
Read this microseason across nine climate regions →
All 72 microseasons on the year wheel →
Sunnybrook Colony at a glance
- Today vs. normal: Today averages 47°F (high 56°F, low 38°F), 13°F above the 34°F normal for Nov 10
- Last frost: May 23 (1991–2020 median, NOAA station 16 km away)
- Microseason: Nov 6–10
16-Day Forecast — Sunnybrook Colony
- Tue57°40°11%
- Wed62°43°3%
- Thu59°46°0%
- Fri57°43°0%
- Sat50°40°1%
- Sun55°38°3%
- Mon54°38°6%
- Tue52°38°24%
- Wed45°33°21%
- Thu40°30°20%
- Fri37°27°18%
- Sat32°21°25%
- Sun30°19°13%
- Mon46°25°13%
- Tue55°37°6%
- Wed50°34°13%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Post-frost dormancy
As of November 10, the season's first frost (typically September 19) is due or past. Bring frost-tender plants indoors, mulch overwintering beds, and turn spent plantings under. This city's planting calendar lists nothing to plant or harvest in November.
Sun & seasons in Sunnybrook Colony
Sunnybrook Colony sits in Chouteau County, where the year’s longest day runs 16h 4m of daylight and its shortest just 8h 21m — a swing of +7h 44m between the June and December solstices. Clocks spring forward on Sunday, March 8, 2026 and fall back on Sunday, November 1, 2026.
Billings, the state’s largest city, lies about 193 miles to the SSE. The nearest town Sunnybrook Colony tracks is Twin Hills Colony, roughly 19 miles to the WSW.
Planting calendar
| Month | Plant | Harvest |
|---|---|---|
| May | lettuce, peas, spinach, radishes | radishes |
| June | tomatoes, peppers, beans, squash | lettuce, peas, spinach, radishes |
| July | beans, squash, fall brassicas, carrots | lettuce, peas, spinach, radishes |
| August | garlic (overwinter) | lettuce, peas, tomatoes, peppers, beans, summer squash, garlic |
| September | — | tomatoes, peppers, beans, summer squash, fall brassicas, carrots |
| October | — | fall brassicas, carrots |
A year in weather
Sunnybrook Colony peaks at about 70°F in July and bottoms near 21°F in January; June brings the heaviest rain (2.5 inches) and February the least (0.4 inches).
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 21° | 0.5″ | 5 |
| February | 24° | 0.4″ | 5 |
| March | 34° | 0.5″ | 5 |
| April | 45° | 1.4″ | 8 |
| May | 54° | 2.0″ | 10 |
| June | 62° | 2.5″ | 10 |
| July | 70° | 1.2″ | 6 |
| August | 69° | 1.2″ | 5 |
| September | 58° | 1.1″ | 5 |
| October | 45° | 1.0″ | 6 |
| November | 32° | 0.6″ | 5 |
| December | 23° | 0.4″ | 5 |
Regional context
Similar climates Riverview Colony, MT, Loma, MT, Twin Hills Colony, MT
Sunnybrook Colony swings from 21°F in January to 70°F in July (49°F) per NOAA NCEI 1991-2020 normals; precipitation in Sunnybrook Colony runs about 12.8 inches on roughly 76 measurable days.
Summer convection drives Sunnybrook Colony's precipitation: June logs 2.5 inches on 10.2 rainy days, against February's 0.4 inches on 5.2 — warm-season storms carry Sunnybrook Colony's moisture. That summer-storm rhythm groups Sunnybrook Colony with places like Riverview Colony, MT, Loma, MT and Twin Hills Colony, MT.
Around May 23, Sunnybrook Colony sheds its freezing nights — kale, peas, spinach, and parsnips go into Sunnybrook Colony's beds. Sunnybrook Colony's heat-lovers — tomatoes, peppers, squash — hold off until Sunnybrook Colony's frost risk clears, 10-14 days on. Frost returns to Sunnybrook Colony near September 19, ending the tender-crop season. That date is a median: Sunnybrook Colony freezes sooner in half of years.
Similar climates: Riverview Colony, MT, Loma, MT, Twin Hills Colony, MT, Fort Benton, MT, Chester, MT.
Frequently asked
- When does it freeze in Sunnybrook Colony?
- Sunnybrook Colony's last spring frost lands near May 23, and in Sunnybrook Colony the first fall frost follows around September 19.
- What is the rainy season in Sunnybrook Colony?
- June is the wettest month in Sunnybrook Colony, about 2.5 inches on average; the year totals roughly 13 inches.
- What is the warmest month in Sunnybrook Colony?
- On average July tops the year in Sunnybrook Colony at about 70°F.
- What is the coldest month in Sunnybrook Colony?
- The coldest stretch in Sunnybrook Colony falls in January, around 21°F on average.
- When can I start a vegetable garden in Sunnybrook Colony?
- Around May 23, start frost-hardy crops in Sunnybrook Colony; tomatoes and basil belong a fortnight later.
- How many rainy days does Sunnybrook Colony get?
- Sunnybrook Colony records around 76 days of measurable precipitation annually.
- What hardiness zone is Sunnybrook Colony?
- Since January in Sunnybrook Colony averages 21°F, Sunnybrook Colony's USDA zone follows that floor — confirm it by ZIP.
- What is the 10-day forecast for Sunnybrook Colony?
- Sunnybrook Colony's extended outlook — daily high and low temperatures and precipitation chances for each upcoming day — is in the daily forecast above.
- Will it rain this week in Sunnybrook Colony?
- See this week's day-by-day rain chances for Sunnybrook Colony in the daily forecast above, and the next 24 hours in the hourly chart.
- What is the weather like right now in Sunnybrook Colony?
- Current conditions for Sunnybrook Colony and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
- How often is the Sunnybrook Colony forecast updated?
- The Sunnybrook Colony forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
- When are sunrise and sunset in Sunnybrook Colony?
- Today's sunrise and sunset times for Sunnybrook Colony are in the Almanac section above, along with civil dawn, civil dusk, and day length. Day length is longest near the summer solstice and shortest near the winter solstice.
- How accurate is the weather forecast for Sunnybrook Colony?
- The next few days in Sunnybrook Colony's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.
Sunnybrook Colony sits at 48.2°N; its climate zone is cold semi-arid (Köppen approximation).
ZIP codes in Sunnybrook Colony
- 59442