Arapahoe, Wyoming Weather
Paintbrush crowns the ridges. Day 88 of spring. Read this microseason across nine climate regions →
Arapahoe weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 15Overcast——78°42°—
- TuesdayJun 16Overcast——89°51°+11°
- WednesdayJun 17Overcast——84°57°-5°
- ThursdayJun 18Overcast——80°49°-4°
- FridayJun 19Overcast——91°53°+11°
- SaturdayJun 20Light Drizzle47%—90°63°-1°
- SundayJun 21Overcast47%—81°58°-9°
AQI 39 (Good), driven by Ozone. AQI flat over the last 6 hours (within ±3 points). Ozone at AQI 49 — peak already passed at 1 PM under clear skies. Levels should ease through evening.
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 49 — peak already passed at 1 PM under clear skies. Levels should ease through evening.
- Present
- AQI 49
- UV peak
- 6.9 at earlier today
- Sky at peak
- clear
- Projected peak
- AQI 49
PM × Wind × Precip
PM2.5 at 8.7 µg/m³, PM10 at 24.1 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.36
- Wind
- light
- Recent rain
- 0h in last 6h
- Pattern
- background
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
- 5:37 AM
- Moonset
- 9:17 PM
- In sign
- ♋︎ Cancer
Paintbrush crowns the ridges
Arapahoe at a glance
- Today vs. normal: 5°F above the seasonal normal for this latitude
- Last frost: May 4 (climatological average for this latitude)
- Microseason: Jun 11–15
- Planting window: Stake and prune tomato suckers. Watch for squash vine borers.
16-Day Forecast — Arapahoe
- Mon78°42°0%
- Tue89°51°1%
- Wed84°57°0%
- Thu80°49°0%
- Fri91°53°1%
- Sat90°63°47%
- Sun81°58°47%
- Mon85°54°30%
- Tue82°56°13%
- Wed91°55°9%
- Thu100°60°6%
- Fri89°65°6%
- Sat75°57°15%
- Sun74°51°17%
- Mon91°51°18%
- Tue100°65°19%
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 Arapahoe
- 82510
- 82501
- 82524