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

Arvada, Wyoming Weather

Monsoon storms drench the south. Day 15 of summer. Read this microseason across nine climate regions →

Arvada weather forecast — hour by hour, 7-day outlook, NOAA radar

Arvada, WY
Saturday, July 4 at 7:57 PM
90
°
Clear
Feels like
83°
Humidity
13%
Wind
7 mph
Sunrise
11:25 PM
Sunset
2:53 PM
Arvada, WY
Hour by hour · 24h
24-Hour ForecastArvada, WY: 24-hour forecast. Temperatures range from 63 to 99 degrees Fahrenheit.
L 63°H 99°
Arvada, WY
7-day forecast
  1. Today
    Jul 4
    Clear
    92°57°
  2. Sunday
    Jul 5
    Overcast
    99°63°+7°
  3. Monday
    Jul 6
    Light Rain
    37%
    0.07″
    92°66°-7°
  4. Tuesday
    Jul 7
    Light Rain
    53%
    0.05″
    90°63°-2°
  5. Wednesday
    Jul 8
    Light Showers
    49%
    92°63°+2°
  6. Thursday
    Jul 9
    Overcast
    37%
    85°64°-7°
  7. Friday
    Jul 10
    Clear
    90°62°+5°
Arvada, WY
Anemometer · 24h winds · from true
NESW
From · True
NNE
023° · backing 49°
Direction
NNE
023°
Sustained
7
mph
Gust
8
mph
Peak 24h
34
avg 9
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 9 · pk 34 @ 12:00a
01020MPHB1B2B3B4B5-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 1912SUSTGUST
−24h−18h−12h−6hnow
A whisper of wind — leaves barely shift on the trees.
Arvada, WY
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
885.0
-2.1 mb in 3h · falling rapidly · 26.13 inHg
Now
885.0
mb
3h
-2.1
mb
12h
+0.2
mb
24h
+2.0
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 883889
875880885890895-21h-18h-15h-12h-9h-6h-3h-24hNOW888.9883.0885.0
−24h−18h−12h−6hnow
Deep low still deepening — rough seas, strong wind, persistent rain.
Arvada, WY
Air quality
49
AQI
Good
+11 in 6h

AQI 49 (Good), driven by Ozone. AQI up 11 over the last 6 hours (gradual rise). Ozone at AQI 49 now. With UV 0.4 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 12 around 1 PM.

OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.

PM 2.5Good
3.8μg/m³
PM 10Good
8μg/m³
NO₂Good
1μg/m³
OzoneDRIVERUnhealthy SG
104μg/m³
UV IndexLow
0.6

What's driving it

Ozone × UV × Sky

Ozone at AQI 49 now. With UV 0.4 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 12 around 1 PM.

Present
AQI 49
UV peak
0.4 at 1 PM
Sky at peak
clear
Projected peak
AQI 12
Arvada, WY
Sky cover · visibility · 24h
Cloud cover
0%
CLEAR
100%0%−24h−18h−12h−6hnow

Visibility
183.5mi
UNLIMITED
185 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
01:57 UTC · Arvada, 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
01:57 UTC · Arvada, WY · NOAA NESDIS / STAR · 5-min cadence · up to 10000 px
Arvada, WY
Satellite · infrared · animated
Arvada, WY
Loading IR frames…
IR · cloud-top temp© RainViewer · Carto
Arvada, WY
Almanac · Saturday, July 4
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
Civil dawn
4:49 AM
Sunrise
11:25 PM
Daylight
15h 28m
Sunset
2:53 PM
Civil dusk
9:30 PM
Planting note
Harvest early potatoes. Begin drying onions on the surface.
Arvada, WY
The moon
Waning Gibbous
77% illuminated
Moonrise
11:27 PM
Moonset
11:18 AM
In sign
♓︎ Pisces
Arvada, WY
Microseason
Jul 1–5

Monsoon storms drench the south

insect
Jan 151% of the yearDec 31

Read this microseason across nine climate regions →

Arvada at a glance

  • Today vs. normal: 23°F above the seasonal normal for this latitude
  • Last frost: May 14 (climatological average for this latitude)
  • Microseason: Jul 1–5
  • Planting window: Harvest early potatoes. Begin drying onions on the surface.

ZIP code: 82831

16-Day Forecast — Arvada

  1. Sat92°57°4%
  2. Sun99°62°2%
  3. Mon92°66°37%
  4. Tue90°63°53%
  5. Wed92°63°49%
  6. Thu85°64°37%
  7. Fri90°62°9%
  8. Sat100°68°4%
  9. Sun112°75°4%
  10. Mon102°76°10%
  11. Tue107°81°22%
  12. Wed106°80°22%
  13. Thu105°82°25%
  14. Fri104°69°26%
  15. Sat101°76°16%
  16. Sun96°75°22%

Forecast data from Open-Meteo (CC BY 4.0).

Right now in the garden

Peak growing season

As of July 5, the growing season is at its peak — frost is months away. Continue succession-planting beans and summer squash. Start fall brassicas (broccoli, cabbage, kale) from seed indoors for transplanting in late summer.

SPC Convective Outlook

Storm Prediction Center — Arvada

SPC includes Arvada in the general thunderstorm area today — no severe risk, but storms are possible.

  • TODAYTSTMGeneral Thunderstorms
  • TOMORROWNONENo severe risk
  • DAY 3TSTMGeneral Thunderstorms

Thunderstorms possible. Not severe, but capable of producing lightning and brief heavy rain.

Source: NOAA / NWS Storm Prediction Center categorical convective outlook. Outlooks are re-issued multiple times per day; this page reflects the most recent SPC polygons covering the city’s coordinates.

ZIP codes in Arvada

  • 82831

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.