Montpelier, Idaho Weather
Paintbrush crowns the ridges. Day 88 of spring. Read this microseason across nine climate regions →
Montpelier weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 15Overcast——78°44°—
- TuesdayJun 16Overcast——82°57°+4°
- WednesdayJun 17Clear——77°52°-5°
- ThursdayJun 18Partly Cloudy——79°44°+2°
- FridayJun 19Overcast——83°51°+4°
- SaturdayJun 20Light Drizzle32%0.01″73°52°-10°
- SundayJun 21Overcast17%—79°48°+6°
AQI 30 (Good), driven by Ozone. Ozone at AQI 63 now. With UV 10 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 85 around 1 PM.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.
What's driving it
Ozone × UV × Sky
Ozone at AQI 63 now. With UV 10 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 85 around 1 PM.
- Present
- AQI 63
- UV peak
- 10.1 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 85
PM × Wind × Precip
PM2.5 at 5.5 µg/m³ (AQI 31), ratio 0.68 with 11 mph wind — characteristic of long-range haze transport rather than a local source.
- PM2.5/PM10
- 0.68
- Wind
- breezy
- Recent rain
- 0h in last 6h
- Pattern
- transport
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
- 5:52 AM
- Moonset
- 9:26 PM
- In sign
- ♋︎ Cancer
Paintbrush crowns the ridges
Montpelier at a glance
- Today vs. normal: 75°F — typical for the season
- Last frost: April 30 (climatological average for this latitude)
- Microseason: Jun 11–15
- Planting window: Stake and prune tomato suckers. Watch for squash vine borers.
16-Day Forecast — Montpelier
- Mon78°44°0%
- Tue82°57°1%
- Wed77°52°0%
- Thu79°44°0%
- Fri83°51°1%
- Sat73°52°32%
- Sun79°48°17%
- Mon82°49°6%
- Tue84°54°2%
- Wed90°52°0%
- Thu93°56°2%
- Fri81°54°2%
- Sat74°51°0%
- Sun79°43°0%
- Mon88°47°6%
- Tue96°55°6%
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.
ZIP codes in Montpelier
- 83254