Prescott, Arizona Weather
Thunder finally silent. Day 93 of summer. Read this microseason across nine climate regions →
Prescott weather forecast — hour by hour, 7-day outlook, NOAA radar
Conditions updated 7:24 AM MST · Open-Meteo
- TodaySep 21Clear later——81°60°—
- TuesdaySep 22Clear——79°59°-2°
- WednesdaySep 23Light Drizzle28%—78°60°-1°
- ThursdaySep 24Showers37%—80°60°+2°
- FridaySep 25Drizzle17%—79°59°-1°
- SaturdaySep 26Overcast——80°61°+1°
- SundaySep 27Light Drizzle23%0.04″77°62°-3°
Air quality now AQI 33 · Good
AQI 33 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 9.5 µg/m³, PM10 at 24.2 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 9.5 µg/m³, PM10 at 24.2 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.39
- 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).
September dries up ditches or breaks down bridges.
- Moonrise
- 3:50 PM
- Moonset
- 1:11 AM
- In sign
- ♑︎ Capricorn
Thunder finally silent
Read this microseason across nine climate regions →
All 72 microseasons on the year wheel →
Prescott at a glance
- Today vs. normal: Today averages 71°F (high 81°F, low 60°F), 6°F above the 65°F normal for Sep 21
- Last frost: April 30 (1991–2020 median, NOAA station 2 km away)
- Microseason: Sep 21–25
- Planting calendar: September — plant garlic (overwinter); harvest tomatoes, peppers, beans, summer squash, winter squash
16-Day Forecast — Prescott
- Mon81°61°3%
- Tue80°58°3%
- Wed78°61°28%
- Thu80°60°37%
- Fri79°59°17%
- Sat80°61°8%
- Sun77°62°23%
- Mon80°59°24%
- Tue82°61°12%
- Wed85°63°13%
- Thu86°65°7%
- Fri85°67°16%
- Sat83°66°15%
- Sun83°64°16%
- Mon78°61°12%
- Tue73°61°3%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Fall planting + final harvests
As of September 21, the season's first frost (typically October 20) is approaching. Pick what frost-tender plants still carry before the next cold front. This city's planting calendar for September: plant garlic (overwinter); harvest tomatoes, peppers, beans, summer squash, and winter squash.
SPC Convective Outlook
Storm Prediction Center — Prescott
SPC includes Prescott 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.
Sun & seasons in Prescott
Prescott sits in Yavapai County, where the year’s longest day runs 14h 28m of daylight and its shortest just 9h 50m — a swing of +4h 38m between the June and December solstices.
Phoenix, the state’s largest city, lies about 73 miles to the SSE. The nearest town Prescott tracks is Peoria, roughly 56 miles to the S.
Air quality in Prescott
Air quality in Prescott’s county has trended dirtier since 2020; its cleanest year on record was 2022 (median AQI 40). See the full air-quality history for Prescott.
Planting calendar
| Month | Plant | Harvest |
|---|---|---|
| April | lettuce, peas, spinach, radishes | — |
| May | lettuce, peas, spinach, radishes, tomatoes, peppers, beans, squash | lettuce, spinach, radishes |
| June | tomatoes, peppers, beans, squash | lettuce, peas, spinach, radishes |
| July | tomatoes, peppers, beans, squash | lettuce, peas, spinach, beans, summer squash, garlic |
| August | beans, squash, fall brassicas, carrots | tomatoes, peppers, beans, summer squash, winter squash, garlic |
| September | garlic (overwinter) | tomatoes, peppers, beans, summer squash, winter squash |
| October | — | tomatoes, peppers, beans, summer squash, winter squash, fall brassicas, carrots |
| November | — | fall brassicas, carrots |
A year in weather
The year in Prescott tops out in July (~75°F) and dips lowest in December (~38°F), with August wettest at 2.8 inches and June driest at 0.2 inches.
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 38° | 1.5″ | 6 |
| February | 41° | 1.8″ | 6 |
| March | 46° | 1.5″ | 5 |
| April | 53° | 0.6″ | 3 |
| May | 61° | 0.5″ | 3 |
| June | 70° | 0.2″ | 2 |
| July | 75° | 2.7″ | 10 |
| August | 74° | 2.8″ | 10 |
| September | 67° | 1.6″ | 6 |
| October | 57° | 1.0″ | 4 |
| November | 46° | 0.9″ | 4 |
| December | 38° | 1.4″ | 5 |
Regional context
Similar climates Prescott Valley, AZ, Williamson, AZ, Dewey-Humboldt, AZ
Per NOAA NCEI 1991-2020 normals, Prescott runs from a 38°F January mean to 75°F in July, a 37°F seasonal spread, with near 16.5 inches of precipitation across about 63 wet days.
Prescott's precipitation spreads evenly across the seasons: August peaks at 2.8 inches on 9.9 wet days, while June holds 0.2 inches over 1.6 — no season dominates Prescott's rain calendar. That lines Prescott up with places like Prescott Valley, AZ, Williamson, AZ and Dewey-Humboldt, AZ, fed by overlapping storm tracks.
Prescott reaches its last hard frost near April 30; that is the cue for peas, lettuce, spinach, and radishes. Prescott's heat-lovers — tomatoes, peppers, squash — hold off until Prescott's frost risk clears, 10-14 days on. The season ends by October 20 in Prescott, once hard frosts set back in. That date is a median: Prescott freezes sooner in half of years.
Similar climates: Prescott Valley, AZ, Williamson, AZ, Dewey-Humboldt, AZ, Chino Valley, AZ, Wilhoit, AZ.
Frequently asked
- When does it freeze in Prescott?
- Frost typically leaves Prescott by April 30 and returns to Prescott near October 20.
- What is the rainy season in Prescott?
- Rainfall in Prescott peaks in August near 2.8 inches, out of about 16 inches annually.
- What is the warmest month in Prescott?
- On average July tops the year in Prescott at about 75°F.
- What is the coldest month in Prescott?
- The coldest stretch in Prescott falls in December, around 38°F on average.
- When can I start a vegetable garden in Prescott?
- Around April 30, start frost-hardy crops in Prescott; tomatoes and basil belong a fortnight later.
- How many rainy days does Prescott get?
- Expect roughly 63 wet days a year in Prescott.
- What hardiness zone is Prescott?
- With December around 38°F, Prescott's zone reflects that minimum — the USDA ZIP map confirms Prescott's band.
- What is the 10-day forecast for Prescott?
- Prescott'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 Prescott?
- See this week's day-by-day rain chances for Prescott in the daily forecast above, and the next 24 hours in the hourly chart.
- What is the weather like right now in Prescott?
- Current conditions for Prescott and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
- How often is the Prescott forecast updated?
- The Prescott forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
- When are sunrise and sunset in Prescott?
- Today's sunrise and sunset times for Prescott 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 Prescott?
- The next few days in Prescott's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.
Prescott sits at 34.6°N; its climate zone is hot desert (Köppen approximation).
ZIP codes in Prescott
- 86301
- 86302
- 86303
- 86304
- 86305
- 86313