Monthly outlook for Fall Branch, TN: average high 82.6°, average low 64.9°. That is 0.2° below the climate normal for August. Precipitation is expected on 12 days (about 3.0 inches), against a normal of 7 days and 1.7 inches. The warmest day looks like 19 August (88.4°), the coolest 16 August (54.4°).
82.6°/64.9°
Average high / low
−0.2°
Below normal
12 / 7
Wet days / normal
3.0 in
Precipitation this month
Ten-day blocks vs climate normal
Period
Forecast high
Normal
Difference
8 August – 17 August
83°
82.9°
+0°
18 August – 27 August
81.8°
82.9°
-0.6°
28 August – 6 September
at normal
81.8°
—
August records over 66 years
98.2°16 August 2007All-time high
48.6°29 August 1986All-time low
Climate normals and records are computed from the nearest reference point — Kingsport (9 mi).
Sun, 0983° / 69°0.14
83 °
Fall Branch, Sunday, 9 August
Light rain. High 83°, low 69°.
Pressure30.12 inHg
Wind3 mph W
Humidity63%
Visibility6.2 mi
Dew point69°
Mon, 1088° / 68°0.02
88 °
Fall Branch, Monday, 10 August
Light rain. High 88°, low 68°.
Pressure30.15 inHg
Wind6.7 mph SW
Humidity65%
Visibility6.2 mi
Dew point69°
Tue, 1187° / 67°0.27
87 °
Fall Branch, Tuesday, 11 August
Rain. High 87°, low 67°.
Pressure30.06 inHg
Wind6.2 mph SW
Humidity57%
Visibility6.2 mi
Dew point69°
Wed, 1287° / 67°0.15
87 °
Fall Branch, Wednesday, 12 August
Light rain. High 87°, low 67°.
Pressure29.94 inHg
Wind13.1 mph SW
Humidity69%
Visibility6.2 mi
Dew point70°
Thu, 1386° / 66°0.35
86 °
Fall Branch, Thursday, 13 August
Rain. High 86°, low 66°.
Pressure29.91 inHg
Wind12.1 mph SW
Humidity53%
Visibility—
Dew point65°
Fri, 1470° / 61°0.56
70 °
Fall Branch, Friday, 14 August
Rain. High 70°, low 61°.
Pressure30.00 inHg
Wind12 mph SW
Humidity95%
Visibility—
Dew point69°
Sat, 1579° / 56°0
79 °
Fall Branch, Saturday, 15 August
Mostly clear. High 79°, low 56°.
Pressure30.21 inHg
Wind6.2 mph NE
Humidity45%
Visibility—
Dew point52°
Sun, 1683° / 54°0
83 °
Fall Branch, Sunday, 16 August
Mostly clear. High 83°, low 54°.
Pressure30.21 inHg
Wind8.3 mph W
Humidity52%
Visibility—
Dew point59°
Mon, 1785° / 62°0.15
85 °
Fall Branch, Monday, 17 August
Light rain. High 85°, low 62°.
Pressure30.12 inHg
Wind9.6 mph W
Humidity52%
Visibility—
Dew point62°
Tue, 1878° / 68°0.35
78 °
Fall Branch, Tuesday, 18 August
Rain. High 78°, low 68°.
Pressure30.00 inHg
Wind8.2 mph W
Humidity72%
Visibility—
Dew point66°
Wed, 1988° / 68°0.09
88 °
Fall Branch, Wednesday, 19 August
Light rain. High 88°, low 68°.
Pressure29.91 inHg
Wind3.4 mph E
Humidity51%
Visibility—
Dew point64°
Thu, 2087° / 65°0.26
87 °
Fall Branch, Thursday, 20 August
Rain. High 87°, low 65°.
Pressure29.91 inHg
Wind8 mph SW
Humidity51%
Visibility—
Dew point64°
Fri, 2182° / 68°0.22
82 °
Fall Branch, Friday, 21 August
Rain. High 82°, low 68°.
Pressure29.88 inHg
Wind9.7 mph SW
Humidity61%
Visibility—
Dew point65°
Sat, 2279° / 68°0.28
79 °
Fall Branch, Saturday, 22 August
Light rain. High 79°, low 68°.
Pressure29.88 inHg
Wind6.6 mph W
Humidity79%
Visibility—
Dew point70°
Sun, 2377° / 62°0
77 °
Fall Branch, Sunday, 23 August
Overcast. High 77°, low 62°.
Pressure30.03 inHg
Wind9.8 mph N
Humidity65%
Visibility—
Dew point61°
From day 17 onward the outlook is built from 60-year climate statistics
Mon, 2483° / 64°0.1
83 °
Fall Branch, Monday, 24 August
Climate normal for this date — 60-year average.
Average high83°
Average low64°
Average precipitation0.1 in
Chance of precipitation33%
Record high95° (2007)
Record low54° (1997)
Tue, 2583° / 64°0.06
83 °
Fall Branch, Tuesday, 25 August
Climate normal for this date — 60-year average.
Average high83°
Average low64°
Average precipitation0.06 in
Chance of precipitation23%
Record high95° (2023)
Record low56° (1971)
Wed, 2683° / 64°0.07
83 °
Fall Branch, Wednesday, 26 August
Climate normal for this date — 60-year average.
Average high83°
Average low64°
Average precipitation0.07 in
Chance of precipitation28%
Record high93° (2016)
Record low54° (2025)
Thu, 2783° / 65°0.16
83 °
Fall Branch, Thursday, 27 August
Climate normal for this date — 60-year average.
Average high83°
Average low65°
Average precipitation0.16 in
Chance of precipitation35%
Record high94° (2016)
Record low52° (2025)
Fri, 2883° / 64°0.08
83 °
Fall Branch, Friday, 28 August
Climate normal for this date — 60-year average.
Average high83°
Average low64°
Average precipitation0.08 in
Chance of precipitation28%
Record high92° (2024)
Record low52° (2025)
Sat, 2983° / 64°0.05
83 °
Fall Branch, Saturday, 29 August
Climate normal for this date — 60-year average.
Average high83°
Average low64°
Average precipitation0.05 in
Chance of precipitation23%
Record high92° (1973)
Record low49° (1986)
Sun, 3083° / 64°0.07
83 °
Fall Branch, Sunday, 30 August
Climate normal for this date — 60-year average.
Average high83°
Average low64°
Average precipitation0.07 in
Chance of precipitation35%
Record high94° (2024)
Record low50° (1986)
Mon, 3182° / 64°0.11
82 °
Fall Branch, Monday, 31 August
Climate normal for this date — 60-year average.
Average high82°
Average low64°
Average precipitation0.11 in
Chance of precipitation43%
Record high91° (2024)
Record low54° (1976)
Tue, 0182° / 64°0.14
82 °
Fall Branch, Tuesday, 1 September
Climate normal for this date — 60-year average.
Average high82°
Average low64°
Average precipitation0.14 in
Chance of precipitation37%
Record high92° (1973)
Record low53° (1999)
Wed, 0282° / 64°0.07
82 °
Fall Branch, Wednesday, 2 September
Climate normal for this date — 60-year average.
Average high82°
Average low64°
Average precipitation0.07 in
Chance of precipitation38%
Record high92° (2011)
Record low50° (1967)
Thu, 0382° / 63°0.08
82 °
Fall Branch, Thursday, 3 September
Climate normal for this date — 60-year average.
Average high82°
Average low63°
Average precipitation0.08 in
Chance of precipitation42%
Record high94° (2011)
Record low50° (1967)
Fri, 0481° / 63°0.12
81 °
Fall Branch, Friday, 4 September
Climate normal for this date — 60-year average.
Average high81°
Average low63°
Average precipitation0.12 in
Chance of precipitation38%
Record high93° (2019)
Record low52° (1967)
Sat, 0580° / 63°0.16
80 °
Fall Branch, Saturday, 5 September
Climate normal for this date — 60-year average.
Average high80°
Average low63°
Average precipitation0.16 in
Chance of precipitation35%
Record high93° (1975)
Record low49° (1997)
Sun, 0680° / 63°0.11
80 °
Fall Branch, Sunday, 6 September
Climate normal for this date — 60-year average.
Average high80°
Average low63°
Average precipitation0.11 in
Chance of precipitation40%
Record high91° (2007)
Record low52° (1984)
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 Fall Branch, 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 Fall Branch, 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.