Preston, Idaho Weather
Paintbrush crowns the ridges. Day 88 of spring. Read this microseason across nine climate regions →
Preston weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 15Overcast——84°50°—
- TuesdayJun 16Overcast——88°60°+4°
- WednesdayJun 17Clear——84°54°-4°
- ThursdayJun 18Overcast——86°48°+2°
- FridayJun 19Overcast——90°56°+4°
- SaturdayJun 20Drizzle24%0.09″85°55°-5°
- SundayJun 21Overcast16%—80°51°-5°
AQI 35 (Good), driven by PM2.5. AQI down 12 over the last 6 hours (gradual decline). PM2.5 at 9.3 µg/m³ (AQI 51) with a 0.70 fine-to-coarse ratio and 6 mph wind — combustion smoke trapped in calm air, not road dust.
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 9.3 µg/m³ (AQI 51) with a 0.70 fine-to-coarse ratio and 6 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.70
- Wind
- light
- Recent rain
- 0h in last 6h
- Pattern
- stagnant smoke
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
- 5:55 AM
- Moonset
- 9:27 PM
- In sign
- ♋︎ Cancer
Paintbrush crowns the ridges
Preston at a glance
- Today vs. normal: 21°F below the seasonal normal for this latitude
- Last frost: April 29 (climatological average for this latitude)
- Microseason: Jun 11–15
- Planting window: Stake and prune tomato suckers. Watch for squash vine borers.
16-Day Forecast — Preston
- Mon84°50°0%
- Tue88°60°1%
- Wed84°54°0%
- Thu86°48°0%
- Fri90°56°4%
- Sat85°55°24%
- Sun80°51°16%
- Mon89°52°4%
- Tue95°56°1%
- Wed94°60°1%
- Thu86°60°1%
- Fri84°57°2%
- Sat82°61°6%
- Sun91°53°3%
- Mon96°58°10%
- Tue100°61°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 Preston
- 83263