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As of 21:12 CDT

Weather in Forty Five, TN

77°Current weather

Forty Five, Saturday, 8 August, 21:12

Overcast. Feels like 78°. High 87°, low 73°.

Pressure30.03 inHg
Wind5.2 mph S
Humidity88%
Visibility6.2 mi
Dew point73°
Sun, 0992° / 72°0.04Light rain
92 °Light rain

Forty Five, Sunday, 9 August

Light rain. High 92°, low 72°.

Pressure30.06 inHg
Wind5.7 mph SW
Humidity50%
Visibility6.2 mi
Dew point69°
Mon, 1095° / 72°0.02Light rain
95 °Light rain

Forty Five, Monday, 10 August

Light rain. High 95°, low 72°.

Pressure30.09 inHg
Wind8.2 mph SW
Humidity45%
Visibility6.2 mi
Dew point69°
Tue, 1198° / 75°0Light rain
98 °Light rain

Forty Five, Tuesday, 11 August

Light rain. High 98°, low 75°.

Pressure30.03 inHg
Wind11.9 mph SW
Humidity45%
Visibility6.2 mi
Dew point69°
Wed, 1298° / 74°0.39Rain
98 °Rain

Forty Five, Wednesday, 12 August

Rain. High 98°, low 74°.

Pressure29.94 inHg
Wind10.4 mph W
Humidity42%
Visibility6.2 mi
Dew point69°
Thu, 1398° / 72°0.16Light rain
98 °Light rain

Forty Five, Thursday, 13 August

Light rain. High 98°, low 72°.

Pressure29.94 inHg
Wind8.1 mph SE
Humidity48%
Visibility—
Dew point68°
Fri, 14100° / 79°0Overcast
100 °Overcast

Forty Five, Friday, 14 August

Overcast. High 100°, low 79°.

Pressure30.00 inHg
Wind12.8 mph SW
Humidity37%
Visibility—
Dew point65°
Sat, 15100° / 76°0Partly cloudy
100 °Partly cloudy

Forty Five, Saturday, 15 August

Partly cloudy. High 100°, low 76°.

Pressure30.12 inHg
Wind11.3 mph SE
Humidity35%
Visibility—
Dew point63°
Sun, 16102° / 78°0Partly cloudy
102 °Partly cloudy

Forty Five, Sunday, 16 August

Partly cloudy. High 102°, low 78°.

Pressure30.03 inHg
Wind9.8 mph SW
Humidity29%
Visibility—
Dew point61°
Mon, 17104° / 80°0Light rain
104 °Light rain

Forty Five, Monday, 17 August

Light rain. High 104°, low 80°.

Pressure30.00 inHg
Wind11.8 mph W
Humidity25%
Visibility—
Dew point58°
Tue, 18100° / 79°0.02Light rain
100 °Light rain

Forty Five, Tuesday, 18 August

Light rain. High 100°, low 79°.

Pressure29.97 inHg
Wind10.3 mph W
Humidity27%
Visibility—
Dew point57°
Wed, 19105° / 77°0Clear
105 °Clear

Forty Five, Wednesday, 19 August

Clear. High 105°, low 77°.

Pressure29.88 inHg
Wind11.4 mph NW
Humidity25%
Visibility—
Dew point57°
Thu, 2096° / 75°0Clear
96 °Clear

Forty Five, Thursday, 20 August

Clear. High 96°, low 75°.

Pressure29.88 inHg
Wind12.6 mph NE
Humidity43%
Visibility—
Dew point67°
Fri, 2188° / 69°0Overcast
88 °Overcast

Forty Five, Friday, 21 August

Overcast. High 88°, low 69°.

Pressure29.94 inHg
Wind9.4 mph E
Humidity56%
Visibility—
Dew point60°
Sat, 22108° / 72°0Clear
108 °Clear

Forty Five, Saturday, 22 August

Clear. High 108°, low 72°.

Pressure29.88 inHg
Wind12.2 mph SW
Humidity22%
Visibility—
Dew point54°
Sun, 23107° / 77°0Overcast
107 °Overcast

Forty Five, Sunday, 23 August

Overcast. High 107°, low 77°.

Pressure29.97 inHg
Wind9 mph SW
Humidity27%
Visibility—
Dew point58°

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 Forty Five, 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 Forty Five, 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.