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
- TodayJul 5Overcast——107°84°—
- MondayJul 6Overcast——108°82°+1°
- TuesdayJul 7Clear——110°81°+2°
- WednesdayJul 8Clear——111°83°+1°
- ThursdayJul 9Clear——113°83°+2°
- FridayJul 10Clear——110°80°-3°
- SaturdayJul 11Clear——113°82°+3°
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.
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
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).
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
- Moonrise
- 10:56 PM
- Moonset
- 10:58 AM
- In sign
- ♓︎ Pisces
The monsoon settles in
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
- Sun107°84°2%
- Mon108°82°1%
- Tue110°81°0%
- Wed111°83°0%
- Thu113°83°0%
- Fri110°80°1%
- Sat113°82°1%
- Sun113°85°2%
- Mon113°84°11%
- Tue107°83°13%
- Wed102°81°8%
- Thu106°85°6%
- Fri112°86°10%
- Sat117°93°6%
- Sun114°93°10%
- 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