I-26 weather conditions near Johnson City, Tennessee
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Seasoned Weather Conditions
Current Weather Conditions
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7 day weather forecast
Current condition: Partly Cloudy 81°F 2025-07-27T12:35:00-04:00
This Afternoon 2025-07-27, Chance T-storms. A 40 percent chance of showers and thunderstorms, mainly after 2pm. Partly sunny and hot, with a high near 91. Heat index values as high as 96. West wind around 5 mph.
Tonight 2025-07-27, Chance T-storms then Patchy Fog. A 30 percent chance of showers and thunderstorms, mainly before 8pm. Patchy fog after 5am. Otherwise, partly cloudy, with a low around 72. Calm wind.
Monday 2025-07-28, Chance T-storms and Patchy Fog then T-storms Likely. A chance of showers and thunderstorms before 2pm, then showers likely and possibly a thunderstorm between 2pm and 5pm, then showers and thunderstorms likely after 5pm. Patchy fog before 7am. Otherwise, mostly sunny and hot, with a high near 91. Heat index values as high as 97. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday Night 2025-07-28, T-storms Likely then Chance Showers and Patchy Fog. Showers and thunderstorms likely, mainly before 8pm. Patchy fog after 4am. Otherwise, partly cloudy, with a low around 71. Calm wind. Chance of precipitation is 60%.
Tuesday 2025-07-29, Chance T-storms and Dense Fog. A slight chance of showers, then a chance of showers and thunderstorms after 11am. Widespread dense fog, mainly before 7am. Otherwise, mostly sunny and hot, with a high near 94. Calm wind. Chance of precipitation is 40%.
Tuesday Night 2025-07-29, Chance T-storms then Chance Showers. A 30 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 71. Calm wind.
Wednesday 2025-07-30, Chance Showers then Showers Likely. A chance of showers and thunderstorms between 8am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Mostly sunny and hot, with a high near 95. Calm wind. Chance of precipitation is 60%.
Wednesday Night 2025-07-30, Showers Likely then Chance T-storms. Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a slight chance of showers after 2am. Mostly cloudy, with a low around 70. Chance of precipitation is 60%.
Thursday 2025-07-31, Chance T-storms then T-storms. A slight chance of showers before 8am, then a chance of showers and thunderstorms between 8am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 91. Chance of precipitation is 80%.
Thursday Night 2025-07-31, T-storms then Showers Likely. Showers and possibly a thunderstorm before 2am, then a chance of showers. Low around 69. Chance of precipitation is 80%.
Friday 2025-08-01, Showers Likely. Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 85. Chance of precipitation is 70%.
Friday Night 2025-08-01, Chance T-storms. A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 66.
Saturday 2025-08-02, Chance Showers then Chance T-storms. A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 80.
Current condition: Partly Cloudy 81°F 2025-07-27T12:35:00-04:00 
This Afternoon 2025-07-27, Chance T-storms. A 40 percent chance of showers and thunderstorms, mainly after 2pm. Partly sunny and hot, with a high near 91. Heat index values as high as 96. West wind around 5 mph.Tonight 2025-07-27, Chance T-storms then Patchy Fog. A 30 percent chance of showers and thunderstorms, mainly before 8pm. Patchy fog after 5am. Otherwise, partly cloudy, with a low around 72. Calm wind.
Monday 2025-07-28, Chance T-storms and Patchy Fog then T-storms Likely. A chance of showers and thunderstorms before 2pm, then showers likely and possibly a thunderstorm between 2pm and 5pm, then showers and thunderstorms likely after 5pm. Patchy fog before 7am. Otherwise, mostly sunny and hot, with a high near 91. Heat index values as high as 97. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday Night 2025-07-28, T-storms Likely then Chance Showers and Patchy Fog. Showers and thunderstorms likely, mainly before 8pm. Patchy fog after 4am. Otherwise, partly cloudy, with a low around 71. Calm wind. Chance of precipitation is 60%.
Tuesday 2025-07-29, Chance T-storms and Dense Fog. A slight chance of showers, then a chance of showers and thunderstorms after 11am. Widespread dense fog, mainly before 7am. Otherwise, mostly sunny and hot, with a high near 94. Calm wind. Chance of precipitation is 40%.Tuesday Night 2025-07-29, Chance T-storms then Chance Showers. A 30 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 71. Calm wind.
Wednesday 2025-07-30, Chance Showers then Showers Likely. A chance of showers and thunderstorms between 8am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Mostly sunny and hot, with a high near 95. Calm wind. Chance of precipitation is 60%.
Wednesday Night 2025-07-30, Showers Likely then Chance T-storms. Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a slight chance of showers after 2am. Mostly cloudy, with a low around 70. Chance of precipitation is 60%.
Thursday 2025-07-31, Chance T-storms then T-storms. A slight chance of showers before 8am, then a chance of showers and thunderstorms between 8am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 91. Chance of precipitation is 80%.
Thursday Night 2025-07-31, T-storms then Showers Likely. Showers and possibly a thunderstorm before 2am, then a chance of showers. Low around 69. Chance of precipitation is 80%.
Friday 2025-08-01, Showers Likely. Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 85. Chance of precipitation is 70%.
Friday Night 2025-08-01, Chance T-storms. A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 66.Saturday 2025-08-02, Chance Showers then Chance T-storms. A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 80.