Monthly outlook for DeLand Southwest, FL: average high 97.5°, average low 77.4°. That is 5.2° above the climate normal for August. Precipitation is expected on 3 days (about 0.6 inches), against a normal of 13 days and 3.9 inches. The warmest day looks like 18 August (103.9°), the coolest 24 August (74.5°).
97.5°/77.4°
Average high / low
+5.2°
Above normal
3 / 13
Wet days / normal
0.6 in
Precipitation this month
Ten-day blocks vs climate normal
Period
Forecast high
Normal
Difference
9 August – 18 August
97.6°
88.2°
+5.2°
19 August – 28 August
97.2°
87.5°
+5.4°
29 August – 7 September
at normal
86.7°
—
August records over 66 years
99°10 August 2023All-time high
66.9°28 August 1997All-time low
Climate normals and records are computed from the nearest reference point — DeLand (2 mi).
Mon, 1092° / 76°0.03
92 °
DeLand Southwest, Monday, 10 August
Light rain. High 92°, low 76°.
Pressure30.15 inHg
Wind5 mph S
Humidity49%
Visibility6.2 mi
Dew point70°
Tue, 1196° / 77°0.01
96 °
DeLand Southwest, Tuesday, 11 August
Light rain. High 96°, low 77°.
Pressure30.12 inHg
Wind5.5 mph W
Humidity49%
Visibility6.2 mi
Dew point71°
Wed, 1298° / 76°0.07
98 °
DeLand Southwest, Wednesday, 12 August
Light rain. High 98°, low 76°.
Pressure30.03 inHg
Wind7.2 mph W
Humidity39%
Visibility6.2 mi
Dew point66°
Thu, 1397° / 77°0.03
97 °
DeLand Southwest, Thursday, 13 August
Light rain. High 97°, low 77°.
Pressure30.03 inHg
Wind7 mph W
Humidity43%
Visibility6.2 mi
Dew point68°
Fri, 1497° / 77°0.04
97 °
DeLand Southwest, Friday, 14 August
Light rain. High 97°, low 77°.
Pressure30.12 inHg
Wind9.9 mph SE
Humidity36%
Visibility—
Dew point63°
Sat, 15101° / 77°0.02
101 °
DeLand Southwest, Saturday, 15 August
Light rain. High 101°, low 77°.
Pressure30.15 inHg
Wind7.5 mph E
Humidity38%
Visibility—
Dew point68°
Sun, 1698° / 80°0
98 °
DeLand Southwest, Sunday, 16 August
Overcast. High 98°, low 80°.
Pressure30.12 inHg
Wind4.9 mph SW
Humidity42%
Visibility—
Dew point69°
Mon, 17101° / 79°0.02
101 °
DeLand Southwest, Monday, 17 August
Light rain. High 101°, low 79°.
Pressure30.03 inHg
Wind8 mph SW
Humidity34%
Visibility—
Dew point65°
Tue, 18104° / 79°0
104 °
DeLand Southwest, Tuesday, 18 August
Mostly clear. High 104°, low 79°.
Pressure29.94 inHg
Wind12.3 mph NE
Humidity32%
Visibility—
Dew point65°
Wed, 1999° / 80°0
99 °
DeLand Southwest, Wednesday, 19 August
Partly cloudy. High 99°, low 80°.
Pressure30.00 inHg
Wind14.2 mph E
Humidity37%
Visibility—
Dew point66°
Thu, 2097° / 77°0.03
97 °
DeLand Southwest, Thursday, 20 August
Light rain. High 97°, low 77°.
Pressure30.00 inHg
Wind8.7 mph SE
Humidity39%
Visibility—
Dew point66°
Fri, 2197° / 78°0
97 °
DeLand Southwest, Friday, 21 August
Light rain. High 97°, low 78°.
Pressure30.00 inHg
Wind10.2 mph SW
Humidity41%
Visibility—
Dew point67°
Sat, 2298° / 77°0.02
98 °
DeLand Southwest, Saturday, 22 August
Light rain. High 98°, low 77°.
Pressure30.00 inHg
Wind15.4 mph W
Humidity38%
Visibility—
Dew point65°
Sun, 2393° / 75°0.02
93 °
DeLand Southwest, Sunday, 23 August
Light rain. High 93°, low 75°.
Pressure30.12 inHg
Wind14.2 mph NW
Humidity37%
Visibility—
Dew point61°
Mon, 24100° / 74°0.19
100 °
DeLand Southwest, Monday, 24 August
Rain. High 100°, low 74°.
Pressure30.12 inHg
Wind10.9 mph E
Humidity31%
Visibility—
Dew point61°
From day 17 onward the outlook is built from 60-year climate statistics
Tue, 2587° / 74°0.22
87 °
DeLand Southwest, Tuesday, 25 August
Climate normal for this date — 60-year average.
Average high87°
Average low74°
Average precipitation0.22 in
Chance of precipitation73%
Record high92° (2023)
Record low70° (1960)
Wed, 2687° / 74°0.21
87 °
DeLand Southwest, Wednesday, 26 August
Climate normal for this date — 60-year average.
Average high87°
Average low74°
Average precipitation0.21 in
Chance of precipitation82%
Record high92° (2023)
Record low71° (1978)
Thu, 2787° / 74°0.19
87 °
DeLand Southwest, Thursday, 27 August
Climate normal for this date — 60-year average.
Average high87°
Average low74°
Average precipitation0.19 in
Chance of precipitation72%
Record high93° (1998)
Record low68° (1969)
Fri, 2887° / 74°0.17
87 °
DeLand Southwest, Friday, 28 August
Climate normal for this date — 60-year average.
Average high87°
Average low74°
Average precipitation0.17 in
Chance of precipitation72%
Record high93° (2023)
Record low67° (1997)
Sat, 2987° / 74°0.19
87 °
DeLand Southwest, Saturday, 29 August
Climate normal for this date — 60-year average.
Average high87°
Average low74°
Average precipitation0.19 in
Chance of precipitation67%
Record high94° (2023)
Record low69° (1984)
Sun, 3087° / 74°0.22
87 °
DeLand Southwest, Sunday, 30 August
Climate normal for this date — 60-year average.
Average high87°
Average low74°
Average precipitation0.22 in
Chance of precipitation72%
Record high94° (2007)
Record low70° (1994)
Mon, 3187° / 74°0.22
87 °
DeLand Southwest, Monday, 31 August
Climate normal for this date — 60-year average.
Average high87°
Average low74°
Average precipitation0.22 in
Chance of precipitation80%
Record high93° (2023)
Record low70° (1994)
Tue, 0187° / 74°0.24
87 °
DeLand Southwest, Tuesday, 1 September
Climate normal for this date — 60-year average.
Average high87°
Average low74°
Average precipitation0.24 in
Chance of precipitation72%
Record high92° (1970)
Record low68° (1966)
Wed, 0287° / 74°0.22
87 °
DeLand Southwest, Wednesday, 2 September
Climate normal for this date — 60-year average.
Average high87°
Average low74°
Average precipitation0.22 in
Chance of precipitation68%
Record high93° (1970)
Record low70° (1982)
Thu, 0387° / 74°0.21
87 °
DeLand Southwest, Thursday, 3 September
Climate normal for this date — 60-year average.
Average high87°
Average low74°
Average precipitation0.21 in
Chance of precipitation63%
Record high92° (1999)
Record low67° (1972)
Fri, 0487° / 74°0.22
87 °
DeLand Southwest, Friday, 4 September
Climate normal for this date — 60-year average.
Average high87°
Average low74°
Average precipitation0.22 in
Chance of precipitation70%
Record high92° (1999)
Record low70° (1967)
Sat, 0586° / 74°0.32
86 °
DeLand Southwest, Saturday, 5 September
Climate normal for this date — 60-year average.
Average high86°
Average low74°
Average precipitation0.32 in
Chance of precipitation63%
Record high94° (2019)
Record low70° (2021)
Sun, 0686° / 74°0.24
86 °
DeLand Southwest, Sunday, 6 September
Climate normal for this date — 60-year average.
Average high86°
Average low74°
Average precipitation0.24 in
Chance of precipitation75%
Record high95° (2023)
Record low70° (1972)
Mon, 0786° / 73°0.25
86 °
DeLand Southwest, Monday, 7 September
Climate normal for this date — 60-year average.
Average high86°
Average low73°
Average precipitation0.25 in
Chance of precipitation78%
Record high96° (2023)
Record low66° (2019)
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 DeLand Southwest, FL 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 DeLand Southwest, FL 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.