Round Valley, Arizona Weather
The monsoon settles in. Day 15 of summer. Read this microseason across nine climate regions →
Round Valley weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Overcast19%—94°71°—
- MondayJul 6Overcast——96°72°+2°
- TuesdayJul 7Overcast——99°67°+3°
- WednesdayJul 8Drizzle——100°65°+1°
- ThursdayJul 9Clear——97°64°-3°
- FridayJul 10Clear——98°63°+1°
- SaturdayJul 11Partly Cloudy——99°64°+1°
AQI 40 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 8.1 µg/m³ (AQI 45), ratio 0.57 with 8 mph wind — characteristic of long-range haze transport rather than a local source.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.
What's driving it
Ozone × UV × Sky
Ozone at AQI 36. Overcast through the UV peak window (cloud cover ~100%) — afternoon ozone should stay flat.
- Present
- AQI 36
- UV peak
- 4.3 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 10
PM × Wind × Precip
PM2.5 at 8.1 µg/m³ (AQI 45), ratio 0.57 with 8 mph wind — characteristic of long-range haze transport rather than a local source.
- PM2.5/PM10
- 0.57
- Wind
- light
- Recent rain
- 0h in last 6h
- Pattern
- transport
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
- 10:41 PM
- Moonset
- 10:43 AM
- In sign
- ♓︎ Pisces
The monsoon settles in
Round Valley at a glance
- Today vs. normal: 3°F above the seasonal normal for this latitude
- Last frost: March 12 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
16-Day Forecast — Round Valley
- Sun94°71°19%
- Mon96°72°3%
- Tue99°67°1%
- Wed100°65°1%
- Thu97°64°3%
- Fri98°63°4%
- Sat99°64°5%
- Sun100°64°21%
- Mon99°67°22%
- Tue95°65°26%
- Wed96°63°26%
- Thu100°66°26%
- Fri104°70°28%
- Sat106°72°39%
- Sun104°71°37%
- Mon105°69°26%
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 — Round Valley
SPC includes Round Valley in the general thunderstorm area tomorrow — no severe risk, but storms are possible.
- TODAYNONENo severe risk
- TOMORROWTSTMGeneral Thunderstorms
- 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. Outlooks are re-issued multiple times per day; this page reflects the most recent SPC polygons covering the city’s coordinates.
ZIP codes in Round Valley
- 85541