Monthly outlook for Bottom Hills, DE: average high 79.7°, average low 70.2°. That is 0.7° below the climate normal for August. Precipitation is expected on 6 days (about 0.6 inches), against a normal of 6 days and 2.4 inches. The warmest day looks like 10 August (89.9°), the coolest 15 August (63.4°).
79.7°/70.2°
Average high / low
−0.7°
Below normal
6 / 6
Wet days / normal
0.6 in
Precipitation this month
Ten-day blocks vs climate normal
Period
Forecast high
Normal
Difference
9 August – 18 August
80.3°
81.6°
-0.7°
19 August – 28 August
78.7°
80.3°
-0.9°
29 August – 7 September
at normal
79.2°
—
August records over 66 years
95.7°15 August 2023All-time high
54.1°30 August 1986All-time low
Climate normals and records are computed from the nearest reference point — Dewey Beach (5 mi).
Mon, 1090° / 75°0
90 °
Bottom Hills, Monday, 10 August
Clear. High 90°, low 75°.
Pressure30.00 inHg
Wind1.8 mph SW
Humidity67%
Visibility6.2 mi
Dew point72°
Tue, 1182° / 73°0.07
82 °
Bottom Hills, Tuesday, 11 August
Light rain. High 82°, low 73°.
Pressure29.91 inHg
Wind6.5 mph NE
Humidity73%
Visibility6.2 mi
Dew point70°
Wed, 1283° / 73°0
83 °
Bottom Hills, Wednesday, 12 August
Overcast. High 83°, low 73°.
Pressure29.77 inHg
Wind19.2 mph W
Humidity61%
Visibility6.2 mi
Dew point68°
Thu, 1382° / 73°0.11
82 °
Bottom Hills, Thursday, 13 August
Light rain. High 82°, low 73°.
Pressure29.80 inHg
Wind14.2 mph NW
Humidity65%
Visibility—
Dew point68°
Fri, 1474° / 65°0
74 °
Bottom Hills, Friday, 14 August
Overcast. High 74°, low 65°.
Pressure30.09 inHg
Wind10.1 mph NW
Humidity45%
Visibility—
Dew point50°
Sat, 1577° / 63°0
77 °
Bottom Hills, Saturday, 15 August
Clear. High 77°, low 63°.
Pressure30.15 inHg
Wind14.4 mph N
Humidity51%
Visibility—
Dew point56°
Sun, 1675° / 69°0
75 °
Bottom Hills, Sunday, 16 August
Overcast. High 75°, low 69°.
Pressure30.18 inHg
Wind12.4 mph N
Humidity47%
Visibility—
Dew point52°
Mon, 1776° / 70°0.01
76 °
Bottom Hills, Monday, 17 August
Light rain. High 76°, low 70°.
Pressure30.12 inHg
Wind17.4 mph SE
Humidity70%
Visibility—
Dew point65°
Tue, 1874° / 69°0.17
74 °
Bottom Hills, Tuesday, 18 August
Light rain. High 74°, low 69°.
Pressure30.06 inHg
Wind12.1 mph SE
Humidity67%
Visibility—
Dew point61°
Wed, 1974° / 69°0.05
74 °
Bottom Hills, Wednesday, 19 August
Light rain. High 74°, low 69°.
Pressure29.94 inHg
Wind15.8 mph S
Humidity75%
Visibility—
Dew point65°
Thu, 2080° / 73°0.11
80 °
Bottom Hills, Thursday, 20 August
Light rain. High 80°, low 73°.
Pressure29.71 inHg
Wind18.8 mph NW
Humidity53%
Visibility—
Dew point61°
Fri, 2176° / 67°0
76 °
Bottom Hills, Friday, 21 August
Clear. High 76°, low 67°.
Pressure29.88 inHg
Wind19.3 mph NW
Humidity48%
Visibility—
Dew point53°
Sat, 2275° / 68°0
75 °
Bottom Hills, Saturday, 22 August
Clear. High 75°, low 68°.
Pressure30.09 inHg
Wind13.3 mph N
Humidity48%
Visibility—
Dew point52°
Sun, 2380° / 70°0.06
80 °
Bottom Hills, Sunday, 23 August
Light rain. High 80°, low 70°.
Pressure30.03 inHg
Wind22.7 mph S
Humidity66%
Visibility—
Dew point67°
Mon, 2486° / 72°0
86 °
Bottom Hills, Monday, 24 August
Clear. High 86°, low 72°.
Pressure29.91 inHg
Wind15.1 mph SW
Humidity56%
Visibility—
Dew point67°
From day 17 onward the outlook is built from 60-year climate statistics
Tue, 2580° / 70°0.05
80 °
Bottom Hills, Tuesday, 25 August
Climate normal for this date — 60-year average.
Average high80°
Average low70°
Average precipitation0.05 in
Chance of precipitation18%
Record high92° (2023)
Record low62° (1994)
Wed, 2681° / 70°0.06
81 °
Bottom Hills, Wednesday, 26 August
Climate normal for this date — 60-year average.
Average high81°
Average low70°
Average precipitation0.06 in
Chance of precipitation27%
Record high89° (2016)
Record low60° (1977)
Thu, 2781° / 71°0.12
81 °
Bottom Hills, Thursday, 27 August
Climate normal for this date — 60-year average.
Average high81°
Average low71°
Average precipitation0.12 in
Chance of precipitation30%
Record high92° (2020)
Record low62° (1963)
Fri, 2881° / 71°0.19
81 °
Bottom Hills, Friday, 28 August
Climate normal for this date — 60-year average.
Average high81°
Average low71°
Average precipitation0.19 in
Chance of precipitation43%
Record high94° (2024)
Record low58° (2025)
Sat, 2980° / 71°0.09
80 °
Bottom Hills, Saturday, 29 August
Climate normal for this date — 60-year average.
Average high80°
Average low71°
Average precipitation0.09 in
Chance of precipitation32%
Record high91° (2018)
Record low57° (1982)
Sun, 3080° / 70°0.07
80 °
Bottom Hills, Sunday, 30 August
Climate normal for this date — 60-year average.
Average high80°
Average low70°
Average precipitation0.07 in
Chance of precipitation28%
Record high90° (1973)
Record low54° (1986)
Mon, 3180° / 70°0.08
80 °
Bottom Hills, Monday, 31 August
Climate normal for this date — 60-year average.
Average high80°
Average low70°
Average precipitation0.08 in
Chance of precipitation18%
Record high90° (1991)
Record low56° (2025)
Tue, 0179° / 70°0.19
79 °
Bottom Hills, Tuesday, 1 September
Climate normal for this date — 60-year average.
Average high79°
Average low70°
Average precipitation0.19 in
Chance of precipitation37%
Record high89° (2010)
Record low59° (1986)
Wed, 0279° / 69°0.1
79 °
Bottom Hills, Wednesday, 2 September
Climate normal for this date — 60-year average.
Average high79°
Average low69°
Average precipitation0.1 in
Chance of precipitation33%
Record high90° (1980)
Record low60° (2023)
Thu, 0379° / 69°0.09
79 °
Bottom Hills, Thursday, 3 September
Climate normal for this date — 60-year average.
Average high79°
Average low69°
Average precipitation0.09 in
Chance of precipitation32%
Record high90° (2023)
Record low59° (1967)
Fri, 0480° / 69°0.11
80 °
Bottom Hills, Friday, 4 September
Climate normal for this date — 60-year average.
Average high80°
Average low69°
Average precipitation0.11 in
Chance of precipitation25%
Record high93° (2023)
Record low59° (1997)
Sat, 0579° / 69°0.07
79 °
Bottom Hills, Saturday, 5 September
Climate normal for this date — 60-year average.
Average high79°
Average low69°
Average precipitation0.07 in
Chance of precipitation30%
Record high92° (2023)
Record low60° (1994)
Sun, 0679° / 69°0.19
79 °
Bottom Hills, Sunday, 6 September
Climate normal for this date — 60-year average.
Average high79°
Average low69°
Average precipitation0.19 in
Chance of precipitation38%
Record high93° (2023)
Record low59° (1962)
Mon, 0778° / 68°0.09
78 °
Bottom Hills, Monday, 7 September
Climate normal for this date — 60-year average.
Average high78°
Average low68°
Average precipitation0.09 in
Chance of precipitation28%
Record high91° (1983)
Record low59° (1965)
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 Bottom Hills, DE 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 Bottom Hills, DE 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.