National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

St. Johns, St. Johns Industrial Airpark (KSJN)

Lat: 34.51833°NLon: 109.37917°WElev: 5732.0ft.

Clear

33°C

91°F

Humidity 16%
Wind Speed NW 12 MPH
Barometer 30.13 in (1020.32 mb)
Dewpoint 4°C (40°F)
Visibility 16 km
Heat Index31°C (87°F)
Last update 15 Jul 12:30 PM MST
Extended Forecast for

St. Johns AZ

  • This Afternoon

    This Afternoon: A 40 percent chance of showers and thunderstorms, mainly after 3pm. Mostly sunny, with a high near 34. West wind around 24 km/h, with gusts as high as 39 km/h.

    High: 34 °C

    Chance
    T-storms

  • Tonight

    Tonight: Showers likely and possibly a thunderstorm before 9pm, then a chance of showers and thunderstorms between 9pm and midnight. Mostly cloudy, with a low around 18. West wind 16 to 24 km/h, with gusts as high as 39 km/h. Chance of precipitation is 60%.

    Low: 18 °C

    Showers
    Likely then
    Mostly Cloudy

  • Wednesday

    Wednesday: Showers and thunderstorms likely, mainly after 3pm. Mostly sunny, with a high near 32. Southwest wind 13 to 23 km/h becoming northwest in the afternoon. Winds could gust as high as 37 km/h. Chance of precipitation is 70%.

    High: 32 °C

    Slight Chance
    T-storms then
    T-storms
    Likely

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm before midnight, then a chance of showers. Mostly cloudy, with a low around 17. East wind 18 to 23 km/h becoming light and variable after midnight. Winds could gust as high as 37 km/h. Chance of precipitation is 70%.

    Low: 17 °C

    Showers
    Likely then
    Chance
    Showers

  • Thursday

    Thursday: A slight chance of showers and thunderstorms before noon, then showers and possibly a thunderstorm between noon and 3pm, then showers and thunderstorms after 3pm. High near 31. Light and variable wind becoming west 9 to 14 km/h in the morning. Winds could gust as high as 27 km/h. Chance of precipitation is 90%.

    High: 31 °C

    Slight Chance
    T-storms then
    T-storms

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before midnight. Mostly cloudy, with a low around 17. West wind 9 to 14 km/h becoming light and variable after midnight. Winds could gust as high as 26 km/h. Chance of precipitation is 60%.

    Low: 17 °C

    Showers
    Likely then
    Partly Cloudy

  • Friday

    Friday: A 40 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 31. Light and variable wind becoming west 6 to 11 km/h in the afternoon. Winds could gust as high as 24 km/h.

    High: 31 °C

    Sunny then
    Chance
    T-storms

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms, mainly before midnight. Mostly cloudy, with a low around 17. West wind 6 to 11 km/h becoming light south after midnight. Winds could gust as high as 24 km/h.

    Low: 17 °C

    Chance
    T-storms

  • Saturday

    Saturday: A 50 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 31. Light and variable wind becoming west 8 to 13 km/h in the morning. Winds could gust as high as 27 km/h.

    High: 31 °C

    Mostly Sunny
    then Chance
    T-storms

Detailed Forecast

This Afternoon
A 40 percent chance of showers and thunderstorms, mainly after 3pm. Mostly sunny, with a high near 34. West wind around 24 km/h, with gusts as high as 39 km/h.
Tonight
Showers likely and possibly a thunderstorm before 9pm, then a chance of showers and thunderstorms between 9pm and midnight. Mostly cloudy, with a low around 18. West wind 16 to 24 km/h, with gusts as high as 39 km/h. Chance of precipitation is 60%.
Wednesday
Showers and thunderstorms likely, mainly after 3pm. Mostly sunny, with a high near 32. Southwest wind 13 to 23 km/h becoming northwest in the afternoon. Winds could gust as high as 37 km/h. Chance of precipitation is 70%.
Wednesday Night
Showers likely and possibly a thunderstorm before midnight, then a chance of showers. Mostly cloudy, with a low around 17. East wind 18 to 23 km/h becoming light and variable after midnight. Winds could gust as high as 37 km/h. Chance of precipitation is 70%.
Thursday
A slight chance of showers and thunderstorms before noon, then showers and possibly a thunderstorm between noon and 3pm, then showers and thunderstorms after 3pm. High near 31. Light and variable wind becoming west 9 to 14 km/h in the morning. Winds could gust as high as 27 km/h. Chance of precipitation is 90%.
Thursday Night
Showers likely and possibly a thunderstorm before midnight. Mostly cloudy, with a low around 17. West wind 9 to 14 km/h becoming light and variable after midnight. Winds could gust as high as 26 km/h. Chance of precipitation is 60%.
Friday
A 40 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 31. Light and variable wind becoming west 6 to 11 km/h in the afternoon. Winds could gust as high as 24 km/h.
Friday Night
A 30 percent chance of showers and thunderstorms, mainly before midnight. Mostly cloudy, with a low around 17. West wind 6 to 11 km/h becoming light south after midnight. Winds could gust as high as 24 km/h.
Saturday
A 50 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 31. Light and variable wind becoming west 8 to 13 km/h in the morning. Winds could gust as high as 27 km/h.
Saturday Night
A 30 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 16. West wind 5 to 14 km/h becoming south after midnight. Winds could gust as high as 27 km/h.
Sunday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 32. Light and variable wind becoming west 11 to 16 km/h in the morning. Winds could gust as high as 32 km/h.
Sunday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 17. Southwest wind 11 to 16 km/h decreasing to 5 to 10 km/h after midnight. Winds could gust as high as 32 km/h.
Monday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 33. Southwest wind 5 to 10 km/h becoming west 13 to 18 km/h in the afternoon. Winds could gust as high as 34 km/h.
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ABOUT THIS FORECAST

 
Point Forecast:
St. Johns AZ
 34.51°N 109.37°W (Elev. 5797 m)
Last Update:
1:23 pm MDT Jul 15, 2025
Forecast Valid:
1pm MDT Jul 15, 2025-6pm MDT Jul 21, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation