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

75°F

24°C

Humidity 33%
Wind Speed WSW 6 MPH
Barometer 30.21 in (1023.03 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 13 Jul 07:30 AM MST
Extended Forecast for

St. Johns AZ

  • Today

    Today: A 10 percent chance of showers and thunderstorms after noon. Increasing clouds and hot, with a high near 98. West wind 8 to 11 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph.

    High: 98 °F

    Sunny then
    Slight Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Widespread haze between 11pm and 5am. Mostly cloudy, with a low around 65. Northwest wind 6 to 15 mph becoming southeast in the evening. Winds could gust as high as 25 mph. Chance of precipitation is 30%.

    Low: 65 °F

    Chance
    Showers then
    Haze

  • Monday

    Monday: A chance of showers and thunderstorms between noon and 3pm, then a slight chance of thunderstorms after 3pm. Widespread haze before 7am. Mostly sunny, with a high near 95. Southeast wind 5 to 10 mph becoming northwest in the morning. Winds could gust as high as 17 mph. Chance of precipitation is 30%.

    High: 95 °F

    Haze then
    Chance
    T-storms

  • Monday Night

    Monday Night: A slight chance of thunderstorms before 9pm, then a chance of showers and thunderstorms between 9pm and midnight. Mostly cloudy, with a low around 64. Northeast wind 8 to 14 mph becoming south after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 30%.

    Low: 64 °F

    Chance
    Showers then
    Partly Cloudy

  • Tuesday

    Tuesday: A slight chance of showers and thunderstorms between noon and 3pm, then a slight chance of thunderstorms after 3pm. Mostly sunny, with a high near 94. South wind 8 to 14 mph becoming west in the morning. Winds could gust as high as 23 mph. Chance of precipitation is 20%.

    High: 94 °F

    Sunny then
    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A slight chance of thunderstorms before 9pm, then a chance of showers and thunderstorms between 9pm and midnight. Mostly cloudy, with a low around 65. Southwest wind 8 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 30%.

    Low: 65 °F

    Chance
    Showers then
    Partly Cloudy

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 91. Northwest wind 7 to 15 mph, with gusts as high as 24 mph.

    High: 91 °F

    Mostly Sunny
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 63. Southwest wind 5 to 15 mph, with gusts as high as 24 mph.

    Low: 63 °F

    Chance
    T-storms then
    Chance
    Showers

  • Thursday

    Thursday: A 50 percent chance of showers and thunderstorms, mainly after noon. Partly sunny, with a high near 87. South wind 5 to 8 mph becoming northwest in the afternoon.

    High: 87 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

Detailed Forecast

Today
A 10 percent chance of showers and thunderstorms after noon. Increasing clouds and hot, with a high near 98. West wind 8 to 11 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph.
Tonight
A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Widespread haze between 11pm and 5am. Mostly cloudy, with a low around 65. Northwest wind 6 to 15 mph becoming southeast in the evening. Winds could gust as high as 25 mph. Chance of precipitation is 30%.
Monday
A chance of showers and thunderstorms between noon and 3pm, then a slight chance of thunderstorms after 3pm. Widespread haze before 7am. Mostly sunny, with a high near 95. Southeast wind 5 to 10 mph becoming northwest in the morning. Winds could gust as high as 17 mph. Chance of precipitation is 30%.
Monday Night
A slight chance of thunderstorms before 9pm, then a chance of showers and thunderstorms between 9pm and midnight. Mostly cloudy, with a low around 64. Northeast wind 8 to 14 mph becoming south after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 30%.
Tuesday
A slight chance of showers and thunderstorms between noon and 3pm, then a slight chance of thunderstorms after 3pm. Mostly sunny, with a high near 94. South wind 8 to 14 mph becoming west in the morning. Winds could gust as high as 23 mph. Chance of precipitation is 20%.
Tuesday Night
A slight chance of thunderstorms before 9pm, then a chance of showers and thunderstorms between 9pm and midnight. Mostly cloudy, with a low around 65. Southwest wind 8 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 30%.
Wednesday
A 40 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 91. Northwest wind 7 to 15 mph, with gusts as high as 24 mph.
Wednesday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 63. Southwest wind 5 to 15 mph, with gusts as high as 24 mph.
Thursday
A 50 percent chance of showers and thunderstorms, mainly after noon. Partly sunny, with a high near 87. South wind 5 to 8 mph becoming northwest in the afternoon.
Thursday Night
Showers likely and possibly a thunderstorm before midnight, then a slight chance of showers and thunderstorms after midnight. Mostly cloudy, with a low around 62. West wind 5 to 7 mph becoming light and variable after midnight. Chance of precipitation is 60%.
Friday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 87. Light and variable wind becoming southwest 6 to 11 mph in the morning. Winds could gust as high as 21 mph.
Friday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 62. Southwest wind 6 to 11 mph becoming light south after midnight. Winds could gust as high as 20 mph.
Saturday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89. Light and variable wind becoming west 5 to 9 mph in the morning. Winds could gust as high as 16 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
St. Johns AZ
 34.51°N 109.37°W (Elev. 5797 ft)
Last Update:
4:10 am MDT Jul 13, 2025
Forecast Valid:
9am MDT Jul 13, 2025-6pm MDT Jul 19, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation