Weather StoryAlmanac, microseasons, and the day's weather story.

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

Arapahoe, WY
Monday, June 15 at 3:54 PM
77
°
Overcast
Feels like
73°
Humidity
16%
Wind
7 mph
Sunrise
11:34 PM
Sunset
2:54 PM
Arapahoe, WY
Hour by hour · 24h
24-Hour ForecastArapahoe, WY: 24-hour forecast. Temperatures range from 51 to 89 degrees Fahrenheit.
L 51°H 89°
Arapahoe, WY
7-day forecast
  1. Today
    Jun 15
    Overcast
    78°42°
  2. Tuesday
    Jun 16
    Overcast
    89°51°+11°
  3. Wednesday
    Jun 17
    Overcast
    84°57°-5°
  4. Thursday
    Jun 18
    Overcast
    80°49°-4°
  5. Friday
    Jun 19
    Overcast
    91°53°+11°
  6. Saturday
    Jun 20
    Light Drizzle
    47%
    90°63°-1°
  7. Sunday
    Jun 21
    Overcast
    47%
    81°58°-9°
Arapahoe, WY
Anemometer · 24h winds · from true
NESW
From · True
NNE
014° · backing 18°
Direction
NNE
014°
Sustained
7
mph
Gust
13
mph
Peak 24h
14
avg 5
Beaufort · 2 · LIGHT BRZ
0
CALM
<1
1
LIGHT AIR
1–3
2
LIGHT BRZ
4–7
3
GENTLE BRZ
8–12
4
MOD BRZ
13–18
5
FRESH BRZ
19–24
6
STRONG BRZ
25–31
7
NEAR GALE
32–38
24h · sust vs gust · mph
avg 5 · pk 14 @ 5:00p
0102030MPHB1B2B3B4B5B6B7-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 3022SUSTGUST
−24h−18h−12h−6hnow
Light breeze backing 18° from the nne.
Arapahoe, WY
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
849.9
-2.2 mb in 3h · falling rapidly · 25.10 inHg
Now
849.9
mb
3h
-2.2
mb
12h
+3.6
mb
24h
-3.4
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 846855
840845850855860-21h-18h-15h-12h-9h-6h-3h-24hNOW854.7846.1851.3
−24h−18h−12h−6hnow
Deep low still deepening — rough seas, strong wind, persistent rain.
Arapahoe, WY
Air quality
39
AQI
Good
-1 in 6hPeak ~45 @ 11 PM

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.

PM 2.5Good
8.7μg/m³
PM 10Good
24μg/m³
NO₂Good
0μg/m³
OzoneDRIVERUnhealthy SG
103μg/m³
UV IndexVery high
7.3

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
Arapahoe, WY
Sky cover · visibility · 24h
Cloud cover
86%
MOSTLY CLOUDY
100%0%−24h−18h−12h−6hnow

Visibility
180.2mi
UNLIMITED
174 mi0 mi−24h−18h−12h−6hnow
Earth · GOES-19 ABI
Full Disk · Visible · GeoColor
GOES-19 full disk Visible · GeoColor
True-color daytime, blue/IR sandwich at night
21:54 UTC · Arapahoe, WY · NOAA NESDIS / STAR · up to 10848 px
Continental US · GOES-19 ABI
CONUS Sector · Visible · GeoColor
GOES-19 CONUS Visible · GeoColor
Daytime true-color, blue-light/IR sandwich at night
21:54 UTC · Arapahoe, WY · NOAA NESDIS / STAR · 5-min cadence · up to 10000 px
Arapahoe, WY
Satellite · infrared · animated
Arapahoe, WY
Loading IR frames…
IR · cloud-top temp© RainViewer · Carto
Arapahoe, WY
Almanac · Monday, June 15
A summer fog for fair, a winter fog for rain.
Civil dawn
5:00 AM
Sunrise
11:34 PM
Daylight
15h 20m
Sunset
2:54 PM
Civil dusk
9:31 PM
Planting note
Stake and prune tomato suckers. Watch for squash vine borers.
Arapahoe, WY
The moon
New Moon
1% illuminated
Moonrise
5:37 AM
Moonset
9:17 PM
In sign
♋︎ Cancer
Arapahoe, WY
Microseason
Jun 11–15

Paintbrush crowns the ridges

insect
Jan 145% of the yearDec 31

Read this microseason across nine climate regions →

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

  1. Mon78°42°0%
  2. Tue89°51°1%
  3. Wed84°57°0%
  4. Thu80°49°0%
  5. Fri91°53°1%
  6. Sat90°63°47%
  7. Sun81°58°47%
  8. Mon85°54°30%
  9. Tue82°56°13%
  10. Wed91°55°9%
  11. Thu100°60°6%
  12. Fri89°65°6%
  13. Sat75°57°15%
  14. Sun74°51°17%
  15. Mon91°51°18%
  16. 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

Climate normals from the Open-Meteo Climate API. Köppen approximation from NOAA NCEI U.S. Climate Regions. See methodology for data sources, editorial rules, and corrections. Maintainer: Brian Tighe.