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As of 13:08 CDT

Weather in Castalian Springs, TN

86°Current weather

Castalian Springs, Sunday, 9 August, 13:08

Overcast. Feels like 96°. High 86°, low 70°.

Pressure30.09 inHg
Wind2 mph SE
Humidity73%
Visibility6.2 mi
Dew point76°
Mon, 1093° / 71°0Clear
93 °Clear

Castalian Springs, Monday, 10 August

Clear. High 93°, low 71°.

Pressure30.09 inHg
Wind6.9 mph SW
Humidity55%
Visibility6.2 mi
Dew point71°
Tue, 1194° / 71°0.02Light rain
94 °Light rain

Castalian Springs, Tuesday, 11 August

Light rain. High 94°, low 71°.

Pressure30.03 inHg
Wind8.9 mph SW
Humidity53%
Visibility6.2 mi
Dew point71°
Wed, 1293° / 72°0.28Rain
93 °Rain

Castalian Springs, Wednesday, 12 August

Rain. High 93°, low 72°.

Pressure29.91 inHg
Wind12.1 mph SW
Humidity50%
Visibility6.2 mi
Dew point70°
Thu, 1389° / 69°0.21Rain
89 °Rain

Castalian Springs, Thursday, 13 August

Rain. High 89°, low 69°.

Pressure30.00 inHg
Wind3 mph NW
Humidity72%
Visibility6.2 mi
Dew point73°
Fri, 1496° / 75°0.03Light rain
96 °Light rain

Castalian Springs, Friday, 14 August

Light rain. High 96°, low 75°.

Pressure30.00 inHg
Wind8.7 mph W
Humidity45%
Visibility—
Dew point67°
Sat, 1596° / 75°0Mostly clear
96 °Mostly clear

Castalian Springs, Saturday, 15 August

Mostly clear. High 96°, low 75°.

Pressure30.12 inHg
Wind4.8 mph E
Humidity50%
Visibility—
Dew point70°
Sun, 1698° / 76°0Partly cloudy
98 °Partly cloudy

Castalian Springs, Sunday, 16 August

Partly cloudy. High 98°, low 76°.

Pressure30.03 inHg
Wind8.6 mph SW
Humidity38%
Visibility—
Dew point65°
Mon, 1789° / 74°0Partly cloudy
89 °Partly cloudy

Castalian Springs, Monday, 17 August

Partly cloudy. High 89°, low 74°.

Pressure30.00 inHg
Wind9.2 mph N
Humidity59%
Visibility—
Dew point71°
Tue, 1889° / 68°0Overcast
89 °Overcast

Castalian Springs, Tuesday, 18 August

Overcast. High 89°, low 68°.

Pressure29.91 inHg
Wind8.8 mph SW
Humidity43%
Visibility—
Dew point62°
Wed, 1995° / 75°0.11Light rain
95 °Light rain

Castalian Springs, Wednesday, 19 August

Light rain. High 95°, low 75°.

Pressure29.83 inHg
Wind16.5 mph S
Humidity42%
Visibility—
Dew point65°
Thu, 2083° / 68°0.2Rain
83 °Rain

Castalian Springs, Thursday, 20 August

Rain. High 83°, low 68°.

Pressure29.88 inHg
Wind11 mph NW
Humidity53%
Visibility—
Dew point62°
Fri, 2187° / 63°0Clear
87 °Clear

Castalian Springs, Friday, 21 August

Clear. High 87°, low 63°.

Pressure29.91 inHg
Wind5 mph SE
Humidity45%
Visibility—
Dew point59°
Sat, 2295° / 68°0.13Light rain
95 °Light rain

Castalian Springs, Saturday, 22 August

Light rain. High 95°, low 68°.

Pressure29.85 inHg
Wind13.5 mph S
Humidity49%
Visibility—
Dew point68°
Sun, 2384° / 68°0.02Light rain
84 °Light rain

Castalian Springs, Sunday, 23 August

Light rain. High 84°, low 68°.

Pressure30.03 inHg
Wind8.2 mph N
Humidity45%
Visibility—
Dew point58°
Mon, 2482° / 61°0Clear
82 °Clear

Castalian Springs, Monday, 24 August

Clear. High 82°, low 61°.

Pressure30.12 inHg
Wind10.2 mph NE
Humidity50%
Visibility—
Dew point59°

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 Castalian Springs, 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 Castalian Springs, 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.