Monthly outlook for Marker Estates, DE: average high 82.4°, average low 67.2°. That is 0° below the climate normal for August. Precipitation is expected on 8 days (about 1.2 inches), against a normal of 6 days and 2.3 inches. The warmest day looks like 10 August (92.7°), the coolest 16 August (59°).
82.4°/67.2°
Average high / low
−0°
Below normal
8 / 6
Wet days / normal
1.2 in
Precipitation this month
Ten-day blocks vs climate normal
Period
Forecast high
Normal
Difference
8 August – 17 August
84.4°
83.1°
+0.7°
18 August – 27 August
79.1°
81.6°
-1.4°
28 August – 6 September
at normal
80.9°
—
August records over 66 years
96.1°3 August 2006All-time high
52.9°30 August 1986All-time low
Climate normals and records are computed from the nearest reference point — Dover (4 mi).
Sun, 0992° / 71°0
92 °
Marker Estates, Sunday, 9 August
Overcast. High 92°, low 71°.
Pressure30.00 inHg
Wind7.5 mph W
Humidity51%
Visibility6.2 mi
Dew point69°
Mon, 1093° / 76°0.03
93 °
Marker Estates, Monday, 10 August
Light rain. High 93°, low 76°.
Pressure30.00 inHg
Wind6.3 mph NW
Humidity52%
Visibility6.2 mi
Dew point71°
Tue, 1189° / 69°0.1
89 °
Marker Estates, Tuesday, 11 August
Rain. High 89°, low 69°.
Pressure29.94 inHg
Wind9.8 mph W
Humidity58%
Visibility6.2 mi
Dew point68°
Wed, 1286° / 71°0.17
86 °
Marker Estates, Wednesday, 12 August
Light rain. High 86°, low 71°.
Pressure29.80 inHg
Wind11.3 mph NW
Humidity63%
Visibility6.2 mi
Dew point68°
Thu, 1389° / 73°0.03
89 °
Marker Estates, Thursday, 13 August
Light rain. High 89°, low 73°.
Pressure29.77 inHg
Wind12.8 mph NW
Humidity45%
Visibility—
Dew point63°
Fri, 1473° / 61°0.15
73 °
Marker Estates, Friday, 14 August
Light rain. High 73°, low 61°.
Pressure30.00 inHg
Wind7 mph NW
Humidity54%
Visibility—
Dew point54°
Sat, 1576° / 61°0
76 °
Marker Estates, Saturday, 15 August
Clear. High 76°, low 61°.
Pressure30.18 inHg
Wind12.9 mph NW
Humidity38%
Visibility—
Dew point47°
Sun, 1679° / 59°0
79 °
Marker Estates, Sunday, 16 August
Clear. High 79°, low 59°.
Pressure30.27 inHg
Wind8.3 mph S
Humidity34%
Visibility—
Dew point46°
Mon, 1780° / 60°0
80 °
Marker Estates, Monday, 17 August
Partly cloudy. High 80°, low 60°.
Pressure30.15 inHg
Wind13.2 mph S
Humidity56%
Visibility—
Dew point61°
Tue, 1875° / 69°0.11
75 °
Marker Estates, Tuesday, 18 August
Light rain. High 75°, low 69°.
Pressure29.97 inHg
Wind12.5 mph S
Humidity88%
Visibility—
Dew point68°
Wed, 1986° / 70°0.09
86 °
Marker Estates, Wednesday, 19 August
Light rain. High 86°, low 70°.
Pressure29.85 inHg
Wind12.4 mph NW
Humidity46%
Visibility—
Dew point61°
Thu, 2080° / 65°0
80 °
Marker Estates, Thursday, 20 August
Overcast. High 80°, low 65°.
Pressure29.97 inHg
Wind8 mph NW
Humidity58%
Visibility—
Dew point57°
Fri, 2176° / 67°0.37
76 °
Marker Estates, Friday, 21 August
Rain. High 76°, low 67°.
Pressure29.88 inHg
Wind12.1 mph SW
Humidity86%
Visibility—
Dew point71°
Sat, 2285° / 69°0.08
85 °
Marker Estates, Saturday, 22 August
Light rain. High 85°, low 69°.
Pressure29.74 inHg
Wind12.3 mph NW
Humidity50%
Visibility—
Dew point62°
Sun, 2373° / 62°0
73 °
Marker Estates, Sunday, 23 August
Mostly clear. High 73°, low 62°.
Pressure30.03 inHg
Wind19.8 mph N
Humidity35%
Visibility—
Dew point41°
From day 17 onward the outlook is built from 60-year climate statistics
Mon, 2482° / 68°0.05
82 °
Marker Estates, Monday, 24 August
Climate normal for this date — 60-year average.
Average high82°
Average low68°
Average precipitation0.05 in
Chance of precipitation23%
Record high92° (1995)
Record low59° (1994)
Tue, 2582° / 68°0.06
82 °
Marker Estates, Tuesday, 25 August
Climate normal for this date — 60-year average.
Average high82°
Average low68°
Average precipitation0.06 in
Chance of precipitation15%
Record high94° (1968)
Record low60° (1963)
Wed, 2682° / 69°0.07
82 °
Marker Estates, Wednesday, 26 August
Climate normal for this date — 60-year average.
Average high82°
Average low69°
Average precipitation0.07 in
Chance of precipitation22%
Record high91° (1975)
Record low60° (1963)
Thu, 2783° / 70°0.14
83 °
Marker Estates, Thursday, 27 August
Climate normal for this date — 60-year average.
Average high83°
Average low70°
Average precipitation0.14 in
Chance of precipitation33%
Record high91° (2020)
Record low59° (2025)
Fri, 2882° / 70°0.22
82 °
Marker Estates, Friday, 28 August
Climate normal for this date — 60-year average.
Average high82°
Average low70°
Average precipitation0.22 in
Chance of precipitation47%
Record high95° (2024)
Record low58° (2025)
Sat, 2982° / 69°0.1
82 °
Marker Estates, Saturday, 29 August
Climate normal for this date — 60-year average.
Average high82°
Average low69°
Average precipitation0.1 in
Chance of precipitation27%
Record high93° (1973)
Record low53° (1982)
Sun, 3082° / 69°0.08
82 °
Marker Estates, Sunday, 30 August
Climate normal for this date — 60-year average.
Average high82°
Average low69°
Average precipitation0.08 in
Chance of precipitation23%
Record high93° (1973)
Record low53° (1986)
Mon, 3182° / 69°0.07
82 °
Marker Estates, Monday, 31 August
Climate normal for this date — 60-year average.
Average high82°
Average low69°
Average precipitation0.07 in
Chance of precipitation23%
Record high92° (1973)
Record low55° (1986)
Tue, 0180° / 68°0.15
80 °
Marker Estates, Tuesday, 1 September
Climate normal for this date — 60-year average.
Average high80°
Average low68°
Average precipitation0.15 in
Chance of precipitation27%
Record high92° (1980)
Record low58° (1986)
Wed, 0280° / 68°0.11
80 °
Marker Estates, Wednesday, 2 September
Climate normal for this date — 60-year average.
Average high80°
Average low68°
Average precipitation0.11 in
Chance of precipitation37%
Record high94° (1980)
Record low58° (2023)
Thu, 0381° / 68°0.13
81 °
Marker Estates, Thursday, 3 September
Climate normal for this date — 60-year average.
Average high81°
Average low68°
Average precipitation0.13 in
Chance of precipitation30%
Record high92° (1993)
Record low54° (1967)
Fri, 0481° / 68°0.09
81 °
Marker Estates, Friday, 4 September
Climate normal for this date — 60-year average.
Average high81°
Average low68°
Average precipitation0.09 in
Chance of precipitation25%
Record high95° (2023)
Record low56° (1997)
Sat, 0580° / 68°0.09
80 °
Marker Estates, Saturday, 5 September
Climate normal for this date — 60-year average.
Average high80°
Average low68°
Average precipitation0.09 in
Chance of precipitation27%
Record high94° (2023)
Record low57° (1997)
Sun, 0680° / 67°0.18
80 °
Marker Estates, Sunday, 6 September
Climate normal for this date — 60-year average.
Average high80°
Average low67°
Average precipitation0.18 in
Chance of precipitation33%
Record high96° (2023)
Record low56° (1962)
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 Marker Estates, 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 Marker Estates, 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.