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As of 01:51 EDT

Weather in McMahan, TN

72°Current weather

McMahan, Sunday, 9 August, 01:51

Partly cloudy. Feels like 74°. High 86°, low 71°.

Pressure30.09 inHg
Wind2.6 mph S
Humidity95%
Visibility6.2 mi
Dew point71°
Mon, 1086° / 71°0.2Rain
86 °Rain

McMahan, Monday, 10 August

Rain. High 86°, low 71°.

Pressure30.15 inHg
Wind4.9 mph W
Humidity69%
Visibility6.2 mi
Dew point72°
Tue, 1190° / 69°0.06Light rain
90 °Light rain

McMahan, Tuesday, 11 August

Light rain. High 90°, low 69°.

Pressure30.06 inHg
Wind7.4 mph SW
Humidity64%
Visibility6.2 mi
Dew point71°
Wed, 1292° / 70°0.67Heavy rain
92 °Heavy rain

McMahan, Wednesday, 12 August

Heavy rain. High 92°, low 70°.

Pressure29.94 inHg
Wind13 mph W
Humidity58%
Visibility6.2 mi
Dew point70°
Thu, 1386° / 67°0.98Heavy rain
86 °Heavy rain

McMahan, Thursday, 13 August

Heavy rain. High 86°, low 67°.

Pressure29.97 inHg
Wind4.6 mph W
Humidity59%
Visibility—
Dew point66°
Fri, 1479° / 70°0.96Rain
79 °Rain

McMahan, Friday, 14 August

Rain. High 79°, low 70°.

Pressure30.09 inHg
Wind5.2 mph SW
Humidity94%
Visibility—
Dew point72°
Sat, 1580° / 70°0.42Rain
80 °Rain

McMahan, Saturday, 15 August

Rain. High 80°, low 70°.

Pressure30.18 inHg
Wind4.8 mph NE
Humidity79%
Visibility—
Dew point69°
Sun, 1684° / 68°0.13Light rain
84 °Light rain

McMahan, Sunday, 16 August

Light rain. High 84°, low 68°.

Pressure30.15 inHg
Wind5 mph SW
Humidity72%
Visibility—
Dew point70°
Mon, 1791° / 69°1.41Heavy rain
91 °Heavy rain

McMahan, Monday, 17 August

Heavy rain. High 91°, low 69°.

Pressure30.03 inHg
Wind8.8 mph SW
Humidity58%
Visibility—
Dew point70°
Tue, 1886° / 68°0.31Rain
86 °Rain

McMahan, Tuesday, 18 August

Rain. High 86°, low 68°.

Pressure30.00 inHg
Wind6.7 mph W
Humidity64%
Visibility—
Dew point70°
Wed, 1987° / 70°0.24Rain
87 °Rain

McMahan, Wednesday, 19 August

Rain. High 87°, low 70°.

Pressure29.91 inHg
Wind3.1 mph W
Humidity57%
Visibility—
Dew point68°
Thu, 2083° / 65°0.01Light rain
83 °Light rain

McMahan, Thursday, 20 August

Light rain. High 83°, low 65°.

Pressure29.88 inHg
Wind6.5 mph NW
Humidity69%
Visibility—
Dew point69°
Fri, 2180° / 59°0Overcast
80 °Overcast

McMahan, Friday, 21 August

Overcast. High 80°, low 59°.

Pressure30.00 inHg
Wind4.9 mph E
Humidity52%
Visibility—
Dew point57°
Sat, 2284° / 64°0.1Light rain
84 °Light rain

McMahan, Saturday, 22 August

Light rain. High 84°, low 64°.

Pressure30.03 inHg
Wind5.1 mph SW
Humidity63%
Visibility—
Dew point66°
Sun, 2390° / 70°0Overcast
90 °Overcast

McMahan, Sunday, 23 August

Overcast. High 90°, low 70°.

Pressure30.06 inHg
Wind7.7 mph SW
Humidity57%
Visibility—
Dew point68°
Mon, 2491° / 73°0.03Light rain
91 °Light rain

McMahan, Monday, 24 August

Light rain. High 91°, low 73°.

Pressure30.03 inHg
Wind6.3 mph W
Humidity51%
Visibility—
Dew point68°

About the monthly outlook

How accurate is a 30-day forecast?

The first 16 days come from weather models — reliable for the first 3–5 days and progressively less so after that. Days 17 through 30 for McMahan, TN are built from the climate normal, the 60-year average, so they show typical weather for those dates rather than a specific forecast.

What does "above normal" mean?

We compare the forecast against the climate normal for those exact calendar days, computed from 60 years of observations. The deviation shows how much the coming month differs from a typical one.

Where do the 66-year records come from?

They are real temperature extremes recorded in McMahan, TN since 1960: the highest and lowest reading for each calendar date, with the year it happened.

How often is it updated?

The forecast portion refreshes every hour; the climate portion is based on long-term data and stays stable.