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

Boulder City, Nevada Weather

The monsoon settles in. Day 15 of summer. Read this microseason across nine climate regions →

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

Boulder City, NV
Sunday, July 5 at 9:10 AM
96
°
Clear
Feels like
95°
Humidity
21%
Wind
4 mph
Sunrise
10:29 PM
Sunset
12:59 PM
Boulder City, NV
Hour by hour · 24h
24-Hour ForecastBoulder City, NV: 24-hour forecast. Temperatures range from 82 to 107 degrees Fahrenheit.
L 82°H 107°
Boulder City, NV
7-day forecast
  1. Today
    Jul 5
    Overcast
    107°84°
  2. Monday
    Jul 6
    Overcast
    108°82°+1°
  3. Tuesday
    Jul 7
    Clear
    110°81°+2°
  4. Wednesday
    Jul 8
    Clear
    111°83°+1°
  5. Thursday
    Jul 9
    Clear
    113°83°+2°
  6. Friday
    Jul 10
    Clear
    110°80°-3°
  7. Saturday
    Jul 11
    Clear
    113°82°+3°
Boulder City, NV
Anemometer · 24h winds · from true
NESW
From · True
SW
227° · backing 152°
Direction
SW
227°
Sustained
4
mph
Gust
10
mph
Peak 24h
19
avg 8
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 8 · pk 19 @ 7:00p
01020MPHB1B2B3B4B5-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 193SUSTGUST
−24h−18h−12h−6hnow
Light breeze backing 152° from the sw.
Boulder City, NV
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
950.2
+3.2 mb in 3h · rising rapidly · 28.06 inHg
Now
950.2
mb
3h
+3.2
mb
12h
+2.5
mb
24h
-0.8
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 946951
940945950955960-21h-18h-15h-12h-9h-6h-3h-24hNOW951.3946.4950.2
−24h−18h−12h−6hnow
The low is filling — pressure climbing out of storm territory.
Boulder City, NV
Air quality
23
AQI
Good
-15 in 6hPeak ~34 @ 10 PM

AQI 23 (Good), driven by PM2.5. AQI down 15 over the last 6 hours — air quality is improving sharply. PM2.5 at 6.9 µg/m³, PM10 at 15.1 µg/m³ — typical background levels with no transport signature.

OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion during the projected peak around 10 PM.

PM 2.5DRIVERGood
6.9μg/m³
PM 10Good
15μg/m³
NO₂Good
3μg/m³
OzoneModerate
63μg/m³
UV IndexModerate
4.5

What's driving it

Ozone × UV × Sky

Ozone at AQI 30. Overcast through the UV peak window (cloud cover ~61%) — afternoon ozone should stay flat.

Present
AQI 30
UV peak
9.0 at 1 PM
Sky at peak
overcast
Projected peak
AQI 18

PM × Wind × Precip

PM2.5 at 6.9 µg/m³, PM10 at 15.1 µg/m³ — typical background levels with no transport signature.

PM2.5/PM10
0.46
Wind
calm
Recent rain
0h in last 6h
Pattern
background
Boulder City, NV
Sky cover · visibility · 24h
Cloud cover
6%
CLEAR
100%0%−24h−18h−12h−6hnow

Visibility
157.2mi
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
16:10 UTC · Boulder City, NV · 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
16:10 UTC · Boulder City, NV · NOAA NESDIS / STAR · 5-min cadence · up to 10000 px
Boulder City, NV
Satellite · infrared · animated
Boulder City, NV
Loading IR frames…
IR · cloud-top temp© RainViewer · Carto
Boulder City, NV
Almanac · Sunday, July 5
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
Civil dawn
5:00 AM
Sunrise
10:29 PM
Daylight
14h 30m
Sunset
12:59 PM
Civil dusk
8:30 PM
Planting note
Harvest early potatoes. Begin drying onions on the surface.
Boulder City, NV
The moon
Waning Gibbous
71% illuminated
Moonrise
10:56 PM
Moonset
10:58 AM
In sign
♓︎ Pisces
Boulder City, NV
Microseason
Jul 1–5

The monsoon settles in

insect
Jan 151% of the yearDec 31

Read this microseason across nine climate regions →

Boulder City at a glance

  • Today vs. normal: 20°F above the seasonal normal for this latitude
  • Last frost: March 22 (climatological average for this latitude)
  • Microseason: Jul 1–5
  • Planting window: Harvest early potatoes. Begin drying onions on the surface.

ZIP code: 89005

16-Day Forecast — Boulder City

  1. Sun107°84°2%
  2. Mon108°82°1%
  3. Tue110°81°0%
  4. Wed111°83°0%
  5. Thu113°83°0%
  6. Fri110°80°1%
  7. Sat113°82°1%
  8. Sun113°85°2%
  9. Mon113°84°11%
  10. Tue107°83°13%
  11. Wed102°81°8%
  12. Thu106°85°6%
  13. Fri112°86°10%
  14. Sat117°93°6%
  15. Sun114°93°10%
  16. Mon116°92°10%

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.

ZIP codes in Boulder City

  • 89005
  • 89006

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.