Morristown, Arizona Weather
The monsoon settles in. Day 15 of summer. Read this microseason across nine climate regions →
Morristown weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Overcast——106°84°—
- MondayJul 6Overcast——104°81°-2°
- TuesdayJul 7Overcast——107°85°+3°
- WednesdayJul 8Clear——107°83°0°
- ThursdayJul 9Clear——106°84°-1°
- FridayJul 10Overcast——104°80°-2°
- SaturdayJul 11Partly Cloudy——106°81°+2°
AQI 31 (Good), driven by Ozone. AQI down 10 over the last 6 hours (gradual decline). Ozone at AQI 39. Overcast through the UV peak window (cloud cover ~73%) — afternoon ozone should stay flat.
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 39. Overcast through the UV peak window (cloud cover ~73%) — afternoon ozone should stay flat.
- Present
- AQI 39
- UV peak
- 8.3 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 22
PM × Wind × Precip
PM2.5 at 6.7 µg/m³, PM10 at 16.8 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
- 10:46 PM
- Moonset
- 10:49 AM
- In sign
- ♓︎ Pisces
The monsoon settles in
Morristown at a glance
- Today vs. normal: 15°F above the seasonal normal for this latitude
- Last frost: March 10 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 85342
16-Day Forecast — Morristown
- Sun106°84°3%
- Mon104°81°2%
- Tue107°85°0%
- Wed107°83°0%
- Thu106°84°0%
- Fri104°80°2%
- Sat106°81°3%
- Sun107°81°10%
- Mon108°81°14%
- Tue103°82°16%
- Wed102°80°14%
- Thu106°84°26%
- Fri113°92°29%
- Sat113°95°32%
- Sun111°91°31%
- Mon114°87°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.
Microseason · July 1–5
The monsoon settles in
Afternoon thunderstorms now daily ritual. Rains transform the desert green within 72 hours. Dust clears; air smells alive. Microburst winds flatten entire sections of mesquite.
Day 186 of 365 · Wedge 37 of 72
Planting calendar
| Month | Plant | Harvest |
|---|---|---|
| January | — | — |
| February | — | — |
| March | lettuce, peas, spinach, radishes | — |
| April | lettuce, peas, spinach, radishes, tomatoes, peppers, beans, squash | — |
| May | tomatoes, peppers, beans, squash | lettuce, peas, radishes |
| June | tomatoes, peppers, beans, squash | lettuce, peas, radishes |
| July | — | tomatoes, beans, summer squash |
| August | — | tomatoes, beans, summer squash |
| September | — | tomatoes, beans, summer squash |
| October | fall brassicas, garlic (overwinter), carrots | winter squash, tomatoes (last) |
| November | fall brassicas, garlic (overwinter), carrots | — |
| December | — | — |
A year in weather
The year in Morristown tops out in July (~91°F) and dips lowest in December (~52°F), with February wettest at 1.4 inches and June driest at 0.1 inches.
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 52° | 1.4″ | 2 |
| February | 55° | 1.4″ | 3 |
| March | 60° | 1.0″ | 1 |
| April | 66° | 0.3″ | 1 |
| May | 76° | 0.1″ | 0 |
| June | 86° | 0.1″ | 0 |
| July | 91° | 0.9″ | 3 |
| August | 90° | 1.1″ | 3 |
| September | 84° | 1.1″ | 2 |
| October | 72° | 0.7″ | 1 |
| November | 60° | 0.7″ | 2 |
| December | 52° | 0.9″ | 2 |
Frequently asked
- When does it freeze in Morristown?
- Morristown's last spring frost lands near mid-March, and in Morristown the first fall frost follows around mid-December.
- What is the rainy season in Morristown?
- Morristown sees its heaviest rain in February (around 1.4 inches), part of roughly 10 inches a year.
- What is the warmest month in Morristown?
- On average July tops the year in Morristown at about 91°F.
- What is the coldest month in Morristown?
- The coldest stretch in Morristown falls in December, around 52°F on average.
- When can I start a vegetable garden in Morristown?
- In Morristown, sow peas and hardy greens around mid-March; Morristown's tomatoes and peppers wait two weeks more.
- How many rainy days does Morristown get?
- Morristown records around 19 days of measurable precipitation annually.
- What hardiness zone is Morristown?
- Because Morristown bottoms near 52°F in December, that winter low sets Morristown's USDA zone — verify by ZIP.
- What is the 10-day forecast for Morristown?
- Morristown'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 Morristown?
- See this week's day-by-day rain chances for Morristown in the daily forecast above, and the next 24 hours in the hourly chart.
- What is the weather like right now in Morristown?
- Current conditions for Morristown and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
- How often is the Morristown forecast updated?
- The Morristown forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
- When are sunrise and sunset in Morristown?
- Today's sunrise and sunset times for Morristown 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 Morristown?
- The next few days in Morristown's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.
Climate
Set in a hot desert zone, Morristown, Arizona swings from 52°F in the heart of winter to 91°F at midsummer — a 39°F arc.
Morristown sees close to 10 inches of precipitation annually, falling across some 19 wet days.
Morristown sits at 33.9°N; that 39°F seasonal swing frames planting windows and frost dates across Morristown.
ZIP codes in Morristown
- 85342