Rexburg, Idaho Weather
Thunderheads build by noon. Day 89 of spring. Read this microseason across nine climate regions →
Rexburg weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 15Overcast——78°41°—
- TuesdayJun 16Overcast——88°52°+10°
- WednesdayJun 17Mostly Clear——81°54°-7°
- ThursdayJun 18Overcast——78°44°-3°
- FridayJun 19Overcast——88°50°+10°
- SaturdayJun 20Drizzle39%—78°53°-10°
- SundayJun 21Overcast31%—83°54°+5°
AQI 49 (Good), driven by Ozone. AQI up 8 over the last 6 hours (gradual rise). Ozone at AQI 39 now. With UV 0.0 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 9 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 39 now. With UV 0.0 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 9 around 1 PM.
- Present
- AQI 39
- UV peak
- 0.0 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 9
PM × Wind × Precip
PM2.5 at 5.5 µg/m³ (AQI 31), ratio 0.59 with 9 mph wind — characteristic of long-range haze transport rather than a local source.
- PM2.5/PM10
- 0.59
- Wind
- light
- 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).
Cut your thistles before St. John, you will have two instead of one.
- Moonrise
- 6:58 AM
- Moonset
- 10:35 PM
- In sign
- ♋︎ Cancer
Thunderheads build by noon
Rexburg at a glance
- Today vs. normal: 3°F below the seasonal normal for this latitude
- Last frost: May 9 (climatological average for this latitude)
- Microseason: Jun 16–20
- Planting window: Stake and prune tomato suckers. Watch for squash vine borers.
16-Day Forecast — Rexburg
- Mon78°41°0%
- Tue88°53°2%
- Wed81°54°1%
- Thu78°44°0%
- Fri88°50°3%
- Sat78°53°39%
- Sun83°54°31%
- Mon84°45°7%
- Tue85°46°2%
- Wed89°51°4%
- Thu88°45°4%
- Fri88°51°5%
- Sat86°51°6%
- Sun90°50°0%
- Mon97°53°6%
- Tue98°62°6%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Warm-season window is open
As of June 16, 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 Rexburg
- 83460
- 83440