Live Weather & Forecast

Weather in Sierra Vista

Arizona, United States · Real-time conditions & 3-day outlook

Flag of United States
Sunny
23°C
Feels like 23°C
73°F / Feels 73°F
Sunny
Sierra Vista, Arizona
🌞 Daytime
Updated: 2026-04-11 18:15
💧
Humidity
22%
💨
Wind
36.4 km/h WSW
🌬️
Wind Gust
41.8 km/h
🌡️
Pressure
1017 mb
👁️
Visibility
16 km
☀️
UV Index
0.2 (Low)
🌧️
Precipitation
0 mm
☁️
Cloud Cover
0%
💦
Dew Point
1.8°C
🌐
Wind Degree
247°

Air Quality Index

US EPA: Good UK DEFRA: Low (1)
CO
117.9 μg/m³
NO₂
2.3 μg/m³
O₃
63 μg/m³
SO₂
1.3 μg/m³
PM 2.5
3.7 μg/m³
PM 10
8.9 μg/m³

Weather Alerts 2

Met · Severe · Expected
Red Flag Warning issued April 11 at 1:05AM MST until April 12 at 8:00PM MST by NWS Tucson AZ

* AFFECTED AREA...Fire Weather Zones 150, 151 and 152. * TIMING...From 11 AM to 8 PM MST Sunday. * WINDS...Southwest 18 to 25 mph with gusts 35 to 40 mph. * RELATIVE HUMIDITY...8 to 14 percent. * IMPACTS...Any fires that develop or are ongoing will have the potential to spread rapidly.

A Red Flag Warning means that critical fire weather conditions are either occurring now...or are expected to develop. A combination of strong winds...low relative humidity...and dry vegetation will create the potential for rapid and erratic fire growth. Please advise the appropriate officials or fi...

Effective: 2026-04-11T01:05:00-07:00  ·  Expires: 2026-04-11T16:00:00-07:00
Met · Severe · Expected
Red Flag Warning issued April 11 at 11:02AM MST until April 12 at 8:00PM MST by NWS Tucson AZ

* AFFECTED AREA...Fire Weather Zones 150, 151 and 152. * TIMING...From 11 AM to 8 PM MST Sunday. * WINDS...Southwest 18 to 25 mph with gusts 35 to 40 mph. * RELATIVE HUMIDITY...8 to 14 percent. * IMPACTS...Any fires that develop or are ongoing will have the potential to spread rapidly.

A Red Flag Warning means that critical fire weather conditions are either occurring now...or are expected to develop. A combination of strong winds...low relative humidity...and dry vegetation will create the potential for rapid and erratic fire growth. Please advise the appropriate officials or fi...

Effective: 2026-04-11T11:02:00-07:00  ·  Expires: 2026-04-12T05:00:00-07:00

Today's Hourly Forecast

24-hour breakdown for Sierra Vista, Arizona

12 AM
Clear
19°
Clear
💧 22% 💨 10.8 km/h
1 AM
Clear
18°
Clear
💧 27% 💨 10.1 km/h
2 AM
Clear
18°
Clear
💧 30% 💨 9 km/h
3 AM
Clear
17°
Clear
💧 32% 💨 9 km/h
4 AM
Clear
15°
Clear
💧 35% 💨 8.3 km/h
5 AM
Clear
14°
Clear
💧 26% 💨 9.4 km/h
6 AM
Sunny
13°
Sunny
💧 27% 💨 9.4 km/h
7 AM
Sunny
14°
Sunny
💧 26% 💨 8.3 km/h
8 AM
Sunny
15°
Sunny
💧 26% 💨 9.7 km/h
9 AM
Sunny
17°
Sunny
💧 25% 💨 11.9 km/h
10 AM
Sunny
21°
Sunny
💧 22% 💨 17.3 km/h
11 AM
Sunny
24°
Sunny
💧 22% 💨 22.7 km/h
12 PM
Sunny
26°
Sunny
💧 20% 💨 29.2 km/h
1 PM
Sunny
27°
Sunny
💧 20% 💨 33.5 km/h
2 PM
Sunny
27°
Sunny
💧 20% 💨 34.6 km/h
3 PM
Sunny
27°
Sunny
💧 19% 💨 38.2 km/h
4 PM
Sunny
27°
Sunny
💧 19% 💨 39.6 km/h
5 PM
Sunny
27°
Sunny
💧 19% 💨 39.2 km/h
6 PM
Sunny
23°
Sunny
💧 22% 💨 36.4 km/h
7 PM
Clear
23°
Clear
💧 21% 💨 29.5 km/h
8 PM
Clear
21°
Clear
💧 23% 💨 24.5 km/h
9 PM
Clear
19°
Clear
💧 26% 💨 19.1 km/h
10 PM
Clear
18°
Clear
💧 28% 💨 13.7 km/h
11 PM
Clear
16°
Clear
💧 30% 💨 11.5 km/h

3-Day Forecast

Daily overview for Sierra Vista, Arizona

Today
Sunny
Sunny
28° / 13°
🌧️ 0% chance of rain
💧 Avg. humidity: 24%
💨 Max wind: 39.6 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 2.1
🌅 Sunrise: 05:58 AM
🌇 Sunset: 06:48 PM
🌙 Waning Crescent
🌑 Moon: 42% lit
Sun, Apr 12
Partly Cloudy
Partly Cloudy
24° / 8°
🌧️ 0% chance of rain
💧 Avg. humidity: 31%
💨 Max wind: 42.1 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 2.1
🌅 Sunrise: 05:56 AM
🌇 Sunset: 06:48 PM
🌙 Waning Crescent
🌑 Moon: 33% lit
Mon, Apr 13
Cloudy
Cloudy
21° / 11°
🌧️ 0% chance of rain
💧 Avg. humidity: 38%
💨 Max wind: 46.8 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 2.3
🌅 Sunrise: 05:55 AM
🌇 Sunset: 06:49 PM
🌙 Waning Crescent
🌑 Moon: 23% lit

Best Time to Visit Sierra Vista

Plan your trip to Sierra Vista, United States around the most favorable weather conditions.

Peak Season
June – September
Warm, dry summers — ideal for outdoor activities.
Shoulder Season
April – May, October
Fewer crowds, moderate prices, mild weather.
Off Season
November – March
Cooler temperatures; some regions may experience rain or snow.
← Back to Sierra Vista 🗓 View Holidays 2026

Frequently Asked Questions

People also ask — answers optimized for search engines and voice queries.

What is the current weather in Sierra Vista?
Current conditions in Sierra Vista: Sunny, temperature 23°C, humidity 22%.
What is the best time to visit Sierra Vista?
The best time to visit Sierra Vista is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in Sierra Vista?
Sierra Vista is located at approximately 31.6° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in Sierra Vista?
The wettest period in Sierra Vista is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to Sierra Vista?
For visits to Sierra Vista during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What country is Sierra Vista in?
Sierra Vista is located in United States, in the state of Arizona.
What are the public holidays in Sierra Vista in 2026?
View the 2026 public holidays for Sierra Vista on our Holidays page.
What are the GPS coordinates used for the weather forecast in Sierra Vista?
The weather forecast for Sierra Vista uses coordinates 31.5546, -110.2998.