Henderson, Nevada Weather
Thunder finally silent. Day 93 of summer. Read this microseason across nine climate regions →
Henderson weather forecast — hour by hour, 7-day outlook, NOAA radar
Conditions updated 12:40 AM PDT · Open-Meteo
- TodaySep 21Overcast later13%—95°74°—
- TuesdaySep 22Clear——92°72°-3°
- WednesdaySep 23Overcast——93°80°+1°
- ThursdaySep 24Overcast——94°83°+1°
- FridaySep 25Overcast——96°80°+2°
- SaturdaySep 26Overcast——97°82°+1°
- SundaySep 27Overcast——98°83°+1°
Air quality now AQI 36 · Good
AQI 36 (Good), driven by PM2.5. AQI up 6 over the last 6 hours (gradual rise). PM2.5 at 5.7 µg/m³, PM10 at 6.1 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.
What's driving it
PM × Wind × Precip
PM2.5 at 5.7 µg/m³, PM10 at 6.1 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.93
- Wind
- light
- 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).
September dries up ditches or breaks down bridges.
- Moonrise
- 4:04 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 →
Henderson at a glance
- Today vs. normal: Today averages 85°F (high 95°F, low 74°F), 4°F above the 81°F normal for Sep 21
- Last frost: January 20 (1991–2020 median, NOAA station 13 km away)
- Microseason: Sep 21–25
- Planting calendar: September — plant tomatoes, peppers, beans, squash, fall brassicas, carrots; harvest summer squash, winter squash
15-Day Forecast — Henderson
- Mon95°74°13%
- Tue92°72°3%
- Wed93°80°1%
- Thu94°83°4%
- Fri96°80°6%
- Sat97°82°5%
- Sun98°83°3%
- Mon96°85°8%
- Tue98°86°12%
- Wed92°75°13%
- Thu85°75°3%
- Fri88°77°6%
- Sat93°82°10%
- Sun85°77°6%
- Mon82°60°6%
Forecast data from Open-Meteo (CC BY 4.0).
Live wind & temperature near Henderson
Interactive wind and temperature map centered on Henderson — 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 15) is weeks away. Fall transplants go in about 10–12 weeks before the first frost, September 22 to October 6 here. This city's planting calendar for September: plant tomatoes, peppers, beans, squash, fall brassicas, and carrots; harvest summer squash and winter squash.
SPC Convective Outlook
Storm Prediction Center — Henderson
SPC includes Henderson 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 Henderson
Henderson sits in Clark County, where the year’s longest day runs 14h 36m of daylight and its shortest just 9h 42m — a swing of +4h 54m 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 20 miles to the NW. The nearest town Henderson tracks is Paradise, roughly 7 miles to the NW.
Air quality in Henderson
Air quality in Henderson’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 Henderson.
Planting calendar
| Month | Plant | Harvest |
|---|---|---|
| January | lettuce, peas, spinach, radishes | radishes, fall brassicas, carrots |
| February | — | lettuce, peas, spinach, radishes |
| March | tomatoes, peppers, beans, squash | lettuce, peas, spinach, radishes |
| April | tomatoes, squash | lettuce, peas |
| May | squash | beans, summer squash, garlic |
| June | squash | tomatoes, peppers, summer squash, winter squash |
| July | beans, squash | tomatoes, summer squash, winter squash |
| August | tomatoes, peppers, beans, squash | summer squash, winter squash |
| September | tomatoes, peppers, beans, squash, fall brassicas, carrots | summer squash, winter squash |
| October | — | beans, summer squash, winter squash |
| November | garlic (overwinter) | tomatoes, peppers, beans, summer squash, winter squash |
| December | lettuce, peas, spinach, radishes | tomatoes, peppers, beans, summer squash, winter squash, fall brassicas, carrots |
A year in weather
The year in Henderson tops out in July (~93°F) and dips lowest in December (~48°F), with February wettest at 0.8 inches and June driest at 0.0 inches.
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 50° | 0.6″ | 2 |
| February | 54° | 0.8″ | 2 |
| March | 61° | 0.4″ | 1 |
| April | 68° | 0.2″ | 1 |
| May | 77° | 0.1″ | 0 |
| June | 88° | 0.0″ | 0 |
| July | 93° | 0.4″ | 1 |
| August | 92° | 0.3″ | 1 |
| September | 84° | 0.3″ | 1 |
| October | 70° | 0.3″ | 1 |
| November | 57° | 0.3″ | 1 |
| December | 48° | 0.5″ | 1 |
Regional context
Similar climates Whitney, NV, Paradise, NV, Winchester, NV
In Henderson, NOAA NCEI 1991-2020 normals put January near 50°F and July near 93°F — a 44°F seasonal arc — with about 4.2 inches of precipitation over 11 rainy or snowy days.
Cool-season fronts carry Henderson's rain: February logs 0.8 inches on 2.1 days, against June's 0.0 inches on 0.1 — winter does the heavy lifting in Henderson. It is a winter-storm rhythm Henderson shares with places like Whitney, NV, Paradise, NV and Winchester, NV.
Henderson reaches its last hard frost near January 20; that is the cue for lettuce, chard, arugula, and mustard greens. Heat-demanding starts go out a fortnight on in Henderson, after the soil warms and cold snaps clear. By December 15, frost is back in Henderson — protect or harvest anything tender. Open lawns in Henderson whiten first when frost returns.
Similar climates: Whitney, NV, Paradise, NV, Winchester, NV, Enterprise, NV, Sunrise Manor, NV.
Frequently asked
- When does it freeze in Henderson?
- Henderson's last spring frost lands near January 20, and in Henderson the first fall frost follows around December 15.
- What is the rainy season in Henderson?
- Henderson sees its heaviest rain in February (around 0.8 inches), part of roughly 4 inches a year.
- What is the warmest month in Henderson?
- The warmest stretch in Henderson comes in July, around 93°F on average.
- What is the coldest month in Henderson?
- On average December is the chilliest month in Henderson, about 48°F.
- When can I start a vegetable garden in Henderson?
- Time tomatoes in Henderson for two weeks after January 20; peas and greens start at Henderson's frost line.
- How many rainy days does Henderson get?
- Henderson records around 11 days of measurable precipitation annually.
- What hardiness zone is Henderson?
- Henderson's USDA zone comes from its December mean (48°F); enter the ZIP on the USDA lookup for the number.
- What is the 10-day forecast for Henderson?
- Henderson'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 Henderson?
- See this week's day-by-day rain chances for Henderson in the daily forecast above, and the next 24 hours in the hourly chart.
- What is the weather like right now in Henderson?
- Current conditions for Henderson and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
- How often is the Henderson forecast updated?
- The Henderson forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
- When are sunrise and sunset in Henderson?
- Today's sunrise and sunset times for Henderson 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 Henderson?
- The next few days in Henderson's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.
Henderson sits at 36.0°N; its climate zone is hot desert (Köppen approximation).
ZIP codes in Henderson
- 89002
- 89005
- 89009
- 89011
- 89012
- 89014
- 89015
- 89044
- 89052
- 89054
- 89074
- 89077