Katherine, Arizona Weather
The monsoon settles in. Day 15 of summer. Read this microseason across nine climate regions →
Katherine weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Overcast——111°88°—
- MondayJul 6Overcast——111°84°0°
- TuesdayJul 7Clear——113°84°+2°
- WednesdayJul 8Clear——113°86°0°
- ThursdayJul 9Clear——113°85°0°
- FridayJul 10Partly Cloudy——111°84°-2°
- SaturdayJul 11Clear——112°84°+1°
AQI 29 (Good), driven by PM2.5. AQI down 12 over the last 6 hours (gradual decline). PM2.5 at 7.8 µg/m³, PM10 at 19.5 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 9 PM.
What's driving it
Ozone × UV × Sky
Ozone at AQI 34 now. With UV 7.7 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 35 around 1 PM.
- Present
- AQI 34
- UV peak
- 7.7 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 35
PM × Wind × Precip
PM2.5 at 7.8 µg/m³, PM10 at 19.5 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.40
- 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).
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
- Moonrise
- 10:55 PM
- Moonset
- 10:57 AM
- In sign
- ♓︎ Pisces
The monsoon settles in
Katherine at a glance
- Today vs. normal: 20°F above the seasonal normal for this latitude
- Last frost: March 18 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
16-Day Forecast — Katherine
- Sun112°88°1%
- Mon111°84°1%
- Tue113°84°0%
- Wed113°86°0%
- Thu113°85°0%
- Fri111°84°0%
- Sat112°84°1%
- Sun111°86°3%
- Mon114°88°5%
- Tue109°82°11%
- Wed103°83°7%
- Thu108°91°12%
- Fri116°92°16%
- Sat120°99°16%
- Sun119°98°12%
- Mon120°97°7%
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 Katherine
- 86429