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Arivaca, AZ Weather

Today: Partly Sunny, high 80°F, low 53°F. Hourly and 7-day forecast from the National Weather Service. Times are local (MST).

Arivaca, AZ current weather

53°F

Partly Sunny

Forecast for this hour. No recent report from a nearby station.

H 80° / L 53°

  • No rain expected in the next 12 hours

No recent station report. NWS hourly forecast updated 10/29/2026, 5:17 AM PT

Hourly forecast

NWS, updated 10/29/2026, 5:17 AM PT

  1. Now53°
  2. 8 AM61°
  3. 9 AM69°
  4. 10 AM73°
  5. 11 AM77°
  6. 12 PM78°
  7. 1 PM79°
  8. 2 PM79°
  9. 3 PM79°
  10. 4 PM78°
  11. 5 PM76°
  12. 6 PM70°
  13. 7 PM67°
  14. 8 PM65°
  15. 9 PM63°
  16. 10 PM61°
  17. 11 PM60°
  18. 12 AM58°Fri
  19. 1 AM57°
  20. 2 AM56°
  21. 3 AM55°
  22. 4 AM55°
  23. 5 AM55°
  24. 6 AM54°
  25. 7 AM55°
  26. 8 AM61°21%
  27. 9 AM67°21%
  28. 10 AM69°21%
  29. 11 AM71°62%
  30. 12 PM72°62%
  31. 1 PM72°62%
  32. 2 PM71°52%
  33. 3 PM70°52%
  34. 4 PM70°52%
  35. 5 PM66°49%
  36. 6 PM63°49%
  37. 7 PM61°49%
  38. 8 PM60°10%
  39. 9 PM59°10%
  40. 10 PM58°10%
  41. 11 PM58°15%
  42. 12 AM57°15%Sat
  43. 1 AM56°15%
  44. 2 AM55°15%
  45. 3 AM54°15%
  46. 4 AM53°15%
  47. 5 AM53°
  48. 6 AM54°

7-day forecast

Tap a day for details

  • Today10/29Low 53°High 80°

    Today: Partly sunny. High near 80, with temperatures falling to around 76 in the afternoon. South wind 6 to 12 mph.

    Tonight: Partly cloudy, with a low around 53. South wind around 7 mph.

    Partly Sunny
  • Fri10/3062% chance of precipitationLow 52°High 73°

    Friday: A slight chance of showers and thunderstorms between 8am and 11am, then showers and thunderstorms likely between 11am and 2pm, then a chance of showers and thunderstorms between 2pm and 5pm, then a chance of showers and thunderstorms. Mostly cloudy. High near 73, with temperatures falling to around 66 in the afternoon. South wind 7 to 18 mph, with gusts as high as 32 mph. Chance of precipitation is 60%.

    Friday Night: A chance of showers and thunderstorms before 8pm, then a slight chance of showers and thunderstorms between 8pm and 5am. Mostly cloudy, with a low around 52. South southeast wind 6 to 12 mph, with gusts as high as 23 mph. Chance of precipitation is 50%.

    Slight Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
  • Sat10/3170% chance of precipitationLow 55°High 74°

    Saturday: A chance of rain showers after 5pm. Partly sunny, with a high near 74. South wind 6 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 30%.

    Saturday Night: Rain showers likely. Cloudy, with a low around 55. Chance of precipitation is 70%.

    Partly Sunny then Chance Rain Showers
  • Sun11/188% chance of precipitationLow 49°High 68°

    Sunday: Rain showers likely before 11am, then showers and thunderstorms. Mostly cloudy, with a high near 68. Chance of precipitation is 90%.

    Sunday Night: Showers and thunderstorms likely before 5am. Mostly cloudy, with a low around 49. Chance of precipitation is 60%.

    Showers And Thunderstorms
  • Mon11/211% chance of precipitationLow 44°High 68°

    Monday: Mostly sunny, with a high near 68.

    Monday Night: Mostly clear, with a low around 44.

    Mostly Sunny
  • Tue11/3Low 44°High 71°

    Tuesday: Sunny, with a high near 71.

    Tuesday Night: Mostly clear, with a low around 44.

    Sunny
  • Wed11/4Low 45°High 73°

    Wednesday: Sunny, with a high near 73.

    Wednesday Night: Mostly clear, with a low around 45.

    Sunny

Forecast for 31.569, -111.288 from the NWS TWC office, updated 10/29/2026, 5:17 AM PT · Official forecast on weather.gov

From the National Weather Service; may be delayed. Not for life-safety decisions. In an emergency, call 911.

Next 6 hours

NWS hourly forecast

  1. Now53°Partly Sunny0%6 mph
  2. 8 AM61°Partly Sunny0%7 mph
  3. 9 AM69°Partly Sunny0%8 mph
  4. 10 AM73°Partly Sunny0%9 mph
  5. 11 AM77°Partly Sunny0%9 mph
  6. 12 PM78°Partly Sunny0%10 mph

Hourly details

Next 7 days: temperature chart, feels like, rain and snow amounts, sky cover, wind and gustsShow

Radar and satellite

National radar

NEXRAD (up to 24 hours) and GOES

Latest

Frequently asked questions

What is the high temperature today in Arivaca, AZ?
The National Weather Service forecast for today calls for a high near 80°F. Partly Sunny.
Will it rain in Arivaca, AZ in the next 24 hours?
The NWS hourly forecast does not show any hour with a 50% or higher chance of precipitation in the next 24 hours.
What time is sunrise and sunset in Arivaca, AZ today?
Sunrise is about 6:39 AM MST and sunset is about 5:38 PM MST (calculated for the center of the area, within a few minutes).
What is the normal October weather in Arivaca, AZ?
At Tumacacori NM, the 1991 to 2020 normal high in October is 81°F and the normal low is 48°F.

Nearby hazards

Arizona hazards

Severe storm and flash flood outlooks, expected rain, river flooding and wildfires near this area

  • Severe storm outlook today:No thunderstorm risk area over this locationOutlook map
  • Excessive rainfall outlook (flash flood risk):Could not check the Weather Prediction Center outlook right now.
  • River gauges within 40 miles at or above flood stage: None reported
  • Active wildfires within 50 miles: None reported

UV and air quality forecast

EPA and AirNow

AQI forecast today (Nogales)
51ModeratePM2.5
AQI forecast tomorrow (Nogales)
38GoodPM2.5

UV index guide · Air quality

Drought

By county

Pima County, week of 10/20/2026

42% of the county is in moderate drought or worse.

Sun and moon

Local time, center of the area

Sunrise
6:39 AM
Sunset
5:38 PM
Daylight
10 hr 59 min
Moon
Waning Gibbous 87% lit
First light (civil dawn)
6:14 AM
Last light (civil dusk)
6:03 PM
Moonrise
8:30 PM
Moonset
10:38 AM

Normal October weather

Climate

Normal October high 81°, low 48°, precipitation 1.09 in for the month. 1991 to 2020 normals at Tumacacori NM, 14 mi away.

Other places nearby

Data sources

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About this data

Weather and emergencies: Weather, air quality and hazard information on this page is delayed and may be incomplete. It is not a substitute for official warnings. Always follow the National Weather Service, local emergency management and public safety officials. In an emergency, call 911. For evacuation orders, use your local official alert system.

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