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Now · 3:52 AM

Troy Weather & Hourly Forecast

United States · Montana · 59935

Overcast night
52°F
Overcast night
Feels like: 50°F
💧 Humidity 73% 🌡 Pressure 29.71 inHg 💨 Wind 2 mph 👁 Visibility 6.2 mi Clouds 99% ☀️ UV index 0.0 · Low 🌅 Sunrise 7:02 AM 🌇 Sunset 8:24 PM

Hourly Forecast for Troy

Today
Overcast night · 4:00 AM Overcast night
52° 💧 None 💨 2 mph H 73%29.71 inHg
Overcast night · 7:00 AM Overcast night
49° 💧 0.02 in 💨 1 mph H 75%29.71 inHg
Light rain · 10:00 AM Light rain
49° 💧 0.02 in 💨 4 mph H 87%29.74 inHg
Overcast · 1:00 PM Overcast
50° 💧 0.22 in 💨 6 mph H 64%29.74 inHg
Heavy rain · 4:00 PM Heavy rain
52° 💧 0.27 in 💨 3 mph H 95%29.77 inHg
Overcast · 7:00 PM Overcast
58° 💧 None 💨 3 mph H 81%29.74 inHg
Overcast night · 10:00 PM Overcast night
48° 💧 None 💨 4 mph H 97%29.77 inHg
Tomorrow
Overcast night · 1:00 AM Overcast night
46° 💧 0.01 in 💨 3 mph H 96%29.77 inHg
Light rain · 4:00 AM Light rain
47° 💧 0.06 in 💨 3 mph H 97%29.74 inHg
Light rain · 7:00 AM Light rain
47° 💧 0.04 in 💨 4 mph H 96%29.77 inHg
Light rain · 10:00 AM Light rain
47° 💧 0.02 in 💨 4 mph H 94%29.80 inHg
Light rain · 1:00 PM Light rain
50° 💧 0.01 in 💨 4 mph H 90%29.83 inHg
Overcast · 4:00 PM Overcast
59° 💧 None 💨 3 mph H 53%29.77 inHg
Overcast · 7:00 PM Overcast
58° 💧 None 💨 2 mph H 51%29.74 inHg
Light rain · 10:00 PM Light rain
50° 💧 0.02 in 💨 4 mph H 85%29.80 inHg
Friday
Overcast night · 1:00 AM Overcast night
48° 💧 None 💨 3 mph H 89%29.80 inHg

In Troy and, more broadly, across the state of Montana: The evening will feature a mix of sun and clouds, with temperatures holding steady around 73 degrees. Light south winds are expected, blowing at up to 9 mph with occasional gusts reaching 12 mph. No precipitation is forecasted for the coming hours, so it should remain dry. The mild temperatures and gentle breezes make for comfortable conditions as the night progresses.

15-Day Weather Outlook for Troy

TomorrowTomorrow Light rain Light rain 59°/46° 💧 0.16 in 💨 4 mph
Friday, Sep 4Fri Sep 4 Light rain Light rain 61°/47° 💧 0.04 in 💨 4 mph
Saturday, Sep 5Sat Sep 5 Mostly sunny Mostly sunny 71°/42° 💧 None 💨 4 mph
Sunday, Sep 6Sun Sep 6 Sunny Sunny 76°/44° 💧 None 💨 4 mph
Monday, Sep 7Mon Sep 7 Moderate rain Moderate rain 75°/52° 💧 0.29 in 💨 6 mph
Tuesday, Sep 8Tue Sep 8 Moderate rain Moderate rain 63°/53° 💧 0.28 in 💨 4 mph
Wednesday, Sep 9Wed Sep 9 Sunny Sunny 74°/48° 💧 None 💨 4 mph
Thursday, Sep 10Thu Sep 10 Mostly sunny Mostly sunny 75°/51° 💧 None 💨 9 mph
Friday, Sep 11Fri Sep 11 Partly cloudy Partly cloudy 72°/45° 💧 None 💨 6 mph
Saturday, Sep 12Sat Sep 12 Mostly sunny Mostly sunny 80°/46° 💧 None 💨 5 mph
Sunday, Sep 13Sun Sep 13 Overcast Overcast 84°/53° 💧 None 💨 5 mph
Monday, Sep 14Mon Sep 14 Sunny Sunny 85°/56° 💧 None 💨 8 mph
Tuesday, Sep 15Tue Sep 15 Sunny Sunny 91°/58° 💧 None 💨 6 mph
Wednesday, Sep 16Wed Sep 16 Sunny Sunny 92°/60° 💧 None 💨 7 mph
Thursday, Sep 17Thu Sep 17 Overcast Overcast 84°/61° 💧 None 💨 4 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Troy

Vertical axis: °F · Color based on temperature
Overcast night at 4:00 AM
52° Today 4:00 AM
Overcast night at 5:00 AM
51° 5:00 AM
Overcast night at 6:00 AM
51° 6:00 AM
Overcast night at 7:00 AM
49° 7:00 AM
Light rain at 8:00 AM
50° Today 8:00 AM
Light rain at 9:00 AM
50° 9:00 AM
Light rain at 10:00 AM
49° 10:00 AM
Light rain at 11:00 AM
48° 11:00 AM
Overcast at 12:00 PM
52° Today 12:00 PM
Overcast at 1:00 PM
50° 1:00 PM
Moderate rain at 2:00 PM
50° 2:00 PM
Heavy rain at 3:00 PM
50° 3:00 PM
Heavy rain at 4:00 PM
52° Today 4:00 PM
Light rain at 5:00 PM
55° 5:00 PM
Overcast at 6:00 PM
57° 6:00 PM
Overcast at 7:00 PM
58° 7:00 PM
Overcast at 8:00 PM
55° Today 8:00 PM
Overcast night at 9:00 PM
51° 9:00 PM
Overcast night at 10:00 PM
48° 10:00 PM
Overcast night at 11:00 PM
46° 11:00 PM
Overcast night at 12:00 AM
46° Tomorrow 12:00 AM
Overcast night at 1:00 AM
46° 1:00 AM
Light rain at 2:00 AM
46° 2:00 AM
Overcast night at 3:00 AM
47° 3:00 AM
Light rain at 4:00 AM
47° Tomorrow 4:00 AM
Light rain at 5:00 AM
46° 5:00 AM
Light rain at 6:00 AM
46° 6:00 AM
Light rain at 7:00 AM
47° 7:00 AM
Light rain at 8:00 AM
48° Tomorrow 8:00 AM
Light rain at 9:00 AM
47° 9:00 AM
Light rain at 10:00 AM
47° 10:00 AM
Light rain at 11:00 AM
46° 11:00 AM
Light rain at 12:00 PM
51° Tomorrow 12:00 PM
Light rain at 1:00 PM
50° 1:00 PM
Overcast at 2:00 PM
54° 2:00 PM
Overcast at 3:00 PM
58° 3:00 PM
Overcast at 4:00 PM
59° Tomorrow 4:00 PM
Overcast at 5:00 PM
57° 5:00 PM
Overcast at 6:00 PM
59° 6:00 PM
Overcast at 7:00 PM
58° 7:00 PM
Overcast at 8:00 PM
54° Tomorrow 8:00 PM
Overcast night at 9:00 PM
53° 9:00 PM
Light rain at 10:00 PM
50° 10:00 PM
Light rain at 11:00 PM
49° 11:00 PM
Overcast night at 12:00 AM
48° Friday 12:00 AM
Overcast night at 1:00 AM
48° 1:00 AM
Overcast night at 2:00 AM
48° 2:00 AM
Overcast night at 3:00 AM
48° 3:00 AM
Overcast night at 4:00 AM
47° Friday 4:00 AM
Overcast night at 5:00 AM
48° 5:00 AM
Overcast night at 6:00 AM
49° 6:00 AM
Overcast night at 7:00 AM
49° 7:00 AM
Overcast at 8:00 AM
49° Friday 8:00 AM
Overcast at 9:00 AM
50° 9:00 AM
Light rain at 10:00 AM
50° 10:00 AM
Light rain at 11:00 AM
49° 11:00 AM
Light rain at 12:00 PM
49° Friday 12:00 PM
Overcast at 1:00 PM
54° 1:00 PM
Overcast at 2:00 PM
60° 2:00 PM
Light rain at 3:00 PM
61° 3:00 PM
Overcast at 4:00 PM
59° Friday 4:00 PM
Overcast at 5:00 PM
59° 5:00 PM
Overcast at 6:00 PM
60° 6:00 PM
Overcast at 7:00 PM
59° 7:00 PM
Overcast at 8:00 PM
54° Friday 8:00 PM
Overcast night at 9:00 PM
50° 9:00 PM
Overcast night at 10:00 PM
49° 10:00 PM
Overcast night at 11:00 PM
47° 11:00 PM
Overcast night at 12:00 AM
45° Saturday 12:00 AM
Mostly cloudy night at 1:00 AM
46° 1:00 AM
Mostly cloudy night at 2:00 AM
49° 2:00 AM
Overcast night at 3:00 AM
49° 3:00 AM
Mostly cloudy night at 4:00 AM
45° Saturday 4:00 AM
Mostly cloudy night at 5:00 AM
43° 5:00 AM
Mostly cloudy night at 6:00 AM
42° 6:00 AM
Mostly clear night at 7:00 AM
41° 7:00 AM
Sunny at 8:00 AM
44° Saturday 8:00 AM
Sunny at 9:00 AM
50° 9:00 AM
Sunny at 10:00 AM
56° 10:00 AM
Mostly sunny at 11:00 AM
61° 11:00 AM
Mostly sunny at 12:00 PM
65° Saturday 12:00 PM
Sunny at 1:00 PM
68° 1:00 PM
Partly cloudy at 2:00 PM
69° 2:00 PM
Mostly sunny at 3:00 PM
71° 3:00 PM
Partly cloudy at 4:00 PM
71° Saturday 4:00 PM
Mostly sunny at 5:00 PM
71° 5:00 PM
Mostly sunny at 6:00 PM
70° 6:00 PM
Sunny at 7:00 PM
67° 7:00 PM
Sunny at 8:00 PM
58° Saturday 8:00 PM
Mostly clear night at 9:00 PM
54° 9:00 PM
Mostly clear night at 10:00 PM
52° 10:00 PM
Mostly clear night at 11:00 PM
51° 11:00 PM
Clear night at 12:00 AM
49° Sunday 12:00 AM
Clear night at 1:00 AM
48° 1:00 AM
Clear night at 2:00 AM
47° 2:00 AM
Clear night at 3:00 AM
46° 3:00 AM

AIR QUALITY FORECAST

Air Quality Forecast for Troy

Hourly forecast · Updated every 2 hours
Good
Nearest forecast value 4:00 AM
PM2.5 Fine particles Good 2,2µg/m³

Microscopic particles that can penetrate deep into the lungs. Elevated concentrations can especially affect children, older adults and people with respiratory conditions.

PM10 Particulate matter Good 2,3µg/m³

Includes dust, pollen and other airborne particles. High concentrations may irritate the respiratory system.

O₃ Ozone Good 33,5µg/m³

Ground-level ozone can irritate the eyes and respiratory system when concentrations are elevated.

NO₂ Nitrogen dioxide Good 5,1µg/m³

A gas emitted mainly by traffic and some industrial activity. High exposure can affect respiratory health.

Air quality is favorable for outdoor activities.

UV & HEALTH

UV, Sun & Health Outlook in Troy

Maximum daily UV Today, tomorrow and the following day show the maximum UV index forecast for each day.
0–2 Low 3–5 Moderate 6–7 High 8–10 Very high 11+ Extreme
Today UV 2,7Low 😊Good
Tomorrow UV 4,3Moderate 🙂Fair
Friday UV 3,8Moderate 🙂Fair
Saturday UV 5,3Moderate 🙂Fair
Sunday UV 6,0High 😊Good
Monday UV 4,0Moderate Unavailable
Tuesday UV 3,0Moderate Unavailable
Hourly UV index today
7:00 AMUV 0,0 8:00 AMUV 0,2 9:00 AMUV 0,6 10:00 AMUV 1,1 11:00 AMUV 1,6 12:00 PMUV 2,7 1:00 PMUV 1,6 2:00 PMUV 0,6 3:00 PMUV 0,4 4:00 PMUV 1,9 5:00 PMUV 0,8 6:00 PMUV 0,5
Today's weather health advice Open today's recommendations.

Low UV risk

UV radiation will be low, although basic protection is still advisable during prolonged exposure.

Good air quality

Air quality is good and outdoor activities can be enjoyed normally.

Comfortable temperature conditions

Temperatures should feel comfortable for most people, with no particular heat or cold precautions needed.

Good conditions for outdoor activities

Outdoor activities can generally be enjoyed normally, with sun protection adjusted to the UV level.

WIND OUTLOOK

Hourly Wind Forecast for Troy

Vertical axis: mph · Horizontal axis: hours
Hourly wind speed Chart of sustained wind and maximum gusts in mph. Today 4:00 AM 5:00 AM 6:00 AM 7:00 AM Today 8:00 AM 9:00 AM 10:00 AM 11:00 AM Today 12:00 PM 1:00 PM 2:00 PM 3:00 PM Today 4:00 PM 5:00 PM 6:00 PM 7:00 PM Today 8:00 PM 9:00 PM 10:00 PM 11:00 PM Tomorrow 12:00 AM 1:00 AM 2:00 AM 3:00 AM Tomorrow 4:00 AM 5:00 AM 6:00 AM 7:00 AM Tomorrow 8:00 AM 9:00 AM 10:00 AM 11:00 AM Tomorrow 12:00 PM 1:00 PM 2:00 PM 3:00 PM Tomorrow 4:00 PM 5:00 PM 6:00 PM 7:00 PM Tomorrow 8:00 PM 9:00 PM 10:00 PM 11:00 PM Friday 12:00 AM 1:00 AM 2:00 AM 3:00 AM Friday 4:00 AM 5:00 AM 6:00 AM 7:00 AM Friday 8:00 AM 9:00 AM 10:00 AM 11:00 AM Friday 12:00 PM 1:00 PM 2:00 PM 3:00 PM Friday 4:00 PM 5:00 PM 6:00 PM 7:00 PM Friday 8:00 PM 9:00 PM 10:00 PM 11:00 PM Saturday 12:00 AM 1:00 AM 2:00 AM 3:00 AM Saturday 4:00 AM 5:00 AM 6:00 AM 7:00 AM Saturday 8:00 AM 9:00 AM 10:00 AM 11:00 AM Saturday 12:00 PM 1:00 PM 2:00 PM 3:00 PM Saturday 4:00 PM 5:00 PM 6:00 PM 7:00 PM Saturday 8:00 PM 9:00 PM 10:00 PM 11:00 PM Sunday 12:00 AM 1:00 AM 2:00 AM 3:00 AM
Sustained wind Max gusts
Internal PR simulation: 3.59 Population: 871

Forecast data for Troy were last refreshed today at 3:52 AM. The current forecast period extends through 04/09/2026 at 1:00 AM. Weather, air-quality and UV-index data are provided through WEATHER-INFO.COM. Forecasts are produced automatically from the latest available data and are subject to periodic technical checks. This service is intended for general weather information.