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

Portland Municipal Airport (K1M5)

Lat: 36.59°NLon: 86.48°WElev: 818ft.

Fair

81°F

27°C

Humidity 89%
Wind Speed NE 7 mph
Barometer 29.94 in
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index88°F (31°C)
Last update 10 Sep 5:15 pm CDT
Extended Forecast for

Springfield TN

  • This Afternoon

    This Afternoon: A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93. Heat index values as high as 101. Southwest wind around 5 mph.

    High: 93 °F

    Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms. Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 69. North northwest wind around 5 mph becoming calm. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 69 °F

    Chance
    T-storms then
    Chance
    Showers and
    Patchy Fog

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms, mainly after 3pm. Mostly sunny, with a high near 91. Heat index values as high as 101. Calm wind becoming southwest around 5 mph.

    High: 91 °F

    Chance
    Showers then
    Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 69. Calm wind becoming south southeast around 5 mph. Chance of precipitation is 40%.

    Low: 69 °F

    Chance
    T-storms then
    Chance
    Showers

  • Saturday

    Saturday: A chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then showers and possibly a thunderstorm after 1pm. High near 88. South wind around 5 mph becoming west in the afternoon. Chance of precipitation is 80%.

    High: 88 °F

    Chance
    Showers then
    Showers

  • Saturday Night

    Saturday Night: Patchy fog after 9pm. Otherwise, partly cloudy, with a low around 68. Calm wind.

    Low: 68 °F

    Patchy Fog

  • Sunday

    Sunday: Areas of fog before 9am. Otherwise, sunny, with a high near 90. Calm wind becoming west northwest around 5 mph.

    High: 90 °F

    Areas Fog
    then Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 67. Calm wind.

    Low: 67 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 90. Calm wind becoming northeast around 5 mph in the afternoon.

    High: 90 °F

    Sunny

Detailed Forecast

This Afternoon
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93. Heat index values as high as 101. Southwest wind around 5 mph.
Tonight
A chance of showers and thunderstorms. Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 69. North northwest wind around 5 mph becoming calm. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
A 30 percent chance of showers and thunderstorms, mainly after 3pm. Mostly sunny, with a high near 91. Heat index values as high as 101. Calm wind becoming southwest around 5 mph.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 69. Calm wind becoming south southeast around 5 mph. Chance of precipitation is 40%.
Saturday
A chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then showers and possibly a thunderstorm after 1pm. High near 88. South wind around 5 mph becoming west in the afternoon. Chance of precipitation is 80%.
Saturday Night
Patchy fog after 9pm. Otherwise, partly cloudy, with a low around 68. Calm wind.
Sunday
Areas of fog before 9am. Otherwise, sunny, with a high near 90. Calm wind becoming west northwest around 5 mph.
Sunday Night
Mostly clear, with a low around 67. Calm wind.
Monday
Sunny, with a high near 90. Calm wind becoming northeast around 5 mph in the afternoon.
Monday Night
Mostly clear, with a low around 67.
Tuesday
Sunny, with a high near 93.
Tuesday Night
Mostly clear, with a low around 69.
Wednesday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 92.
Wednesday Night
A 20 percent chance of showers. Mostly clear, with a low around 69.
Thursday
A chance of showers and thunderstorms. Mostly sunny, with a high near 90.
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ABOUT THIS FORECAST

 
Point Forecast:
Springfield TN
 36.51°N 86.87°W (Elev. 689 ft)
Last Update:
1:31 pm CDT Sep 10, 2026
Forecast Valid:
5pm CDT Sep 10, 2026-6pm CDT Sep 17, 2026
 
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