Spring Valley, Nevada Weather
Thunder finally silent. Day 93 of summer. Read this microseason across nine climate regions →
Spring Valley weather forecast — hour by hour, 7-day outlook, NOAA radar
Conditions updated 1:48 AM PDT · Open-Meteo
- TodaySep 21Light Drizzle later14%—93°71°—
- TuesdaySep 22Overcast——90°68°-3°
- WednesdaySep 23Overcast——91°80°+1°
- ThursdaySep 24Overcast——92°82°+1°
- FridaySep 25Partly Cloudy——94°79°+2°
- SaturdaySep 26Overcast——94°82°0°
- SundaySep 27Overcast——95°83°+1°
Air quality now AQI 33 · Good
AQI 33 (Good), driven by PM2.5. AQI up 5 over the last 6 hours (gradual rise). PM2.5 at 6.3 µg/m³ (AQI 35) with a 0.94 fine-to-coarse ratio and 5 mph wind — combustion smoke trapped in stagnant air, not road dust.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.
What's driving it
PM × Wind × Precip
PM2.5 at 6.3 µg/m³ (AQI 35) with a 0.94 fine-to-coarse ratio and 5 mph wind — combustion smoke trapped in stagnant air, not road dust.
- PM2.5/PM10
- 0.94
- Wind
- light
- Recent rain
- 0h in last 6h
- Pattern
- stagnant smoke
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).
September dries up ditches or breaks down bridges.
- Moonrise
- 4:05 PM
- Moonset
- 1:18 AM
- In sign
- ♑︎ Capricorn
Thunder finally silent
Read this microseason across nine climate regions →
All 72 microseasons on the year wheel →
Spring Valley at a glance
- Today vs. normal: Today averages 82°F (high 93°F, low 71°F), 2°F above the 80°F normal for Sep 21
- Last frost: February 4 (1991–2020 median, NOAA station 9 km away)
- Microseason: Sep 21–25
- Planting calendar: September — plant beans, squash, fall brassicas, carrots; harvest summer squash, winter squash
15-Day Forecast — Spring Valley
- Mon93°71°14%
- Tue90°68°3%
- Wed91°80°0%
- Thu92°82°5%
- Fri94°79°11%
- Sat94°82°4%
- Sun95°83°6%
- Mon94°84°7%
- Tue95°86°10%
- Wed92°73°11%
- Thu82°73°7%
- Fri87°76°3%
- Sat91°81°6%
- Sun84°77°7%
- Mon81°61°6%
Forecast data from Open-Meteo (CC BY 4.0).
Live wind & temperature near Spring Valley
Interactive wind and temperature map centered on Spring Valley — it loads in your browser. Open the full weather map.
Right now in the garden
Peak growing season
As of September 21, the growing season is at its peak — the first frost (around December 5) is weeks away. Fall transplants go in about 10–12 weeks before the first frost, September 12 to September 26 here. This city's planting calendar for September: plant beans, squash, fall brassicas, and carrots; harvest summer squash and winter squash.
SPC Convective Outlook
Storm Prediction Center — Spring Valley
SPC includes Spring Valley in the general thunderstorm area today — no severe risk, but storms are possible.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWNONENo severe risk
- DAY 3NONENo severe risk
Thunderstorms possible. Not severe, but capable of producing lightning and brief heavy rain.
Source: NOAA / NWS Storm Prediction Center categorical convective outlook.
Sun & seasons in Spring Valley
Spring Valley sits in Clark County, where the year’s longest day runs 14h 37m of daylight and its shortest just 9h 42m — a swing of +4h 55m between the June and December solstices. Clocks spring forward on Sunday, March 8, 2026 and fall back on Sunday, November 1, 2026.
Las Vegas, the state’s largest city, lies about 10 miles to the N. The nearest town Spring Valley tracks is Enterprise, roughly 6 miles to the SSE.
Air quality in Spring Valley
Air quality in Spring Valley’s county has held roughly steady since 2020; its cleanest year on record was 2023 (median AQI 61). See the full air-quality history for Spring Valley.
Planting calendar
| Month | Plant | Harvest |
|---|---|---|
| January | lettuce, peas, spinach, radishes | — |
| February | lettuce, peas, spinach, radishes | lettuce, spinach, radishes |
| March | tomatoes, peppers, beans, squash | lettuce, peas, spinach, radishes |
| April | tomatoes, peppers, beans, squash | lettuce, peas, spinach |
| May | squash | peas, beans, summer squash, garlic |
| June | squash | tomatoes, peppers, beans, summer squash, winter squash |
| July | beans, squash | tomatoes, summer squash, winter squash |
| August | tomatoes, peppers, beans, squash | summer squash, winter squash |
| September | beans, squash, fall brassicas, carrots | summer squash, winter squash |
| October | garlic (overwinter) | peppers, beans, summer squash, winter squash |
| November | garlic (overwinter) | tomatoes, peppers, beans, summer squash, winter squash, fall brassicas, carrots |
| December | — | fall brassicas, carrots |
A year in weather
Spring Valley's warmest month is July (~93°F mean) and its coldest is December (~47°F). Rainfall peaks in February (0.9 inches) and bottoms out in May (0.1 inches).
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 48° | 0.6″ | 2 |
| February | 53° | 0.9″ | 2 |
| March | 60° | 0.5″ | 1 |
| April | 67° | 0.3″ | 1 |
| May | 76° | 0.1″ | 0 |
| June | 87° | 0.1″ | 0 |
| July | 93° | 0.4″ | 1 |
| August | 91° | 0.4″ | 1 |
| September | 83° | 0.4″ | 1 |
| October | 69° | 0.4″ | 1 |
| November | 56° | 0.3″ | 1 |
| December | 47° | 0.5″ | 1 |
Regional context
Similar climates Summerlin South, NV, Enterprise, NV, Paradise, NV
Spring Valley swings from 48°F in January to 93°F in July (44°F) per NOAA NCEI 1991-2020 normals; precipitation in Spring Valley runs about 4.8 inches on roughly 12 measurable days.
Spring Valley's moisture rides winter storm tracks: February brings 0.9 inches over 2.2 wet days, while May sees only 0.1 inches across 0.2 days in the dry warm season. That cool-season-wet pattern aligns Spring Valley with places like Summerlin South, NV, Enterprise, NV and Paradise, NV.
Spring Valley reaches its last hard frost near February 4; that is the cue for lettuce, chard, arugula, and mustard greens. Spring Valley's heat-lovers — tomatoes, peppers, squash — hold off until Spring Valley's frost risk clears, 10-14 days on. Frost returns to Spring Valley near December 5, ending the tender-crop season. That date is a median: Spring Valley freezes sooner in half of years.
Similar climates: Summerlin South, NV, Enterprise, NV, Paradise, NV, Winchester, NV, Blue Diamond, NV.
Frequently asked
- When does it freeze in Spring Valley?
- In Spring Valley, expect the last spring frost near February 4; Spring Valley's first autumn frost comes around December 5.
- What is the rainy season in Spring Valley?
- Spring Valley sees its heaviest rain in February (around 0.9 inches), part of roughly 5 inches a year.
- What is the warmest month in Spring Valley?
- July is Spring Valley's warmest month, averaging about 93°F.
- What is the coldest month in Spring Valley?
- Spring Valley bottoms out in December, with a mean near 47°F.
- When can I start a vegetable garden in Spring Valley?
- Frost-hardy sowings begin at February 4 in Spring Valley; warm-season starts follow two weeks on.
- How many rainy days does Spring Valley get?
- Spring Valley records around 12 days of measurable precipitation annually.
- What hardiness zone is Spring Valley?
- Spring Valley's USDA zone comes from its December mean (47°F); enter the ZIP on the USDA lookup for the number.
- What is the 10-day forecast for Spring Valley?
- Spring Valley's extended outlook — daily high and low temperatures and precipitation chances for each upcoming day — is in the daily forecast above.
- Will it rain this week in Spring Valley?
- See this week's day-by-day rain chances for Spring Valley in the daily forecast above, and the next 24 hours in the hourly chart.
- What is the weather like right now in Spring Valley?
- Current conditions for Spring Valley and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
- How often is the Spring Valley forecast updated?
- The Spring Valley forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
- When are sunrise and sunset in Spring Valley?
- Today's sunrise and sunset times for Spring Valley are in the Almanac section above, along with civil dawn, civil dusk, and day length. Day length is longest near the summer solstice and shortest near the winter solstice.
- How accurate is the weather forecast for Spring Valley?
- The next few days in Spring Valley's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.
Spring Valley sits at 36.1°N; its climate zone is hot desert (Köppen approximation).
ZIP codes in Spring Valley
- 89103
- 89113
- 89117
- 89118
- 89146
- 89147
- 89148
- 89150
- 89173