Monthly outlook for Forest Brook Glen, DE: average high 81.9°, average low 66.6°. That is 0.5° below the climate normal for August. Precipitation is expected on 5 days (about 1.5 inches), against a normal of 6 days and 2.2 inches. The warmest day looks like 11 August (89.3°), the coolest 22 August (58.5°).
81.9°/66.6°
Average high / low
−0.5°
Below normal
5 / 6
Wet days / normal
1.5 in
Precipitation this month
Ten-day blocks vs climate normal
Period
Forecast high
Normal
Difference
8 August – 17 August
84.2°
83.5°
+0.4°
18 August – 27 August
78.1°
82°
-2.2°
28 August – 6 September
at normal
81.1°
—
August records over 66 years
97.2°9 August 2001All-time high
50.5°30 August 1986All-time low
Climate normals and records are computed from the nearest reference point — Elsmere (1 mi).
Sun, 0989° / 73°0
89 °
Forest Brook Glen, Sunday, 9 August
Partly cloudy. High 89°, low 73°.
Pressure30.00 inHg
Wind8.4 mph NW
Humidity50%
Visibility6.2 mi
Dew point67°
Mon, 1089° / 73°0.03
89 °
Forest Brook Glen, Monday, 10 August
Light rain. High 89°, low 73°.
Pressure30.00 inHg
Wind6.1 mph NW
Humidity43%
Visibility6.2 mi
Dew point63°
Tue, 1189° / 72°0.19
89 °
Forest Brook Glen, Tuesday, 11 August
Rain. High 89°, low 72°.
Pressure29.91 inHg
Wind3.6 mph NW
Humidity54%
Visibility6.2 mi
Dew point69°
Wed, 1286° / 72°0.02
86 °
Forest Brook Glen, Wednesday, 12 August
Light rain. High 86°, low 72°.
Pressure29.77 inHg
Wind10.7 mph W
Humidity64%
Visibility6.2 mi
Dew point67°
Thu, 1384° / 69°0
84 °
Forest Brook Glen, Thursday, 13 August
Mostly clear. High 84°, low 69°.
Pressure29.80 inHg
Wind12.6 mph NW
Humidity42%
Visibility—
Dew point58°
Fri, 1478° / 63°0
78 °
Forest Brook Glen, Friday, 14 August
Partly cloudy. High 78°, low 63°.
Pressure30.03 inHg
Wind9.1 mph NW
Humidity37%
Visibility—
Dew point48°
Sat, 1580° / 63°0
80 °
Forest Brook Glen, Saturday, 15 August
Clear. High 80°, low 63°.
Pressure30.15 inHg
Wind11.1 mph NW
Humidity36%
Visibility—
Dew point49°
Sun, 1681° / 62°0
81 °
Forest Brook Glen, Sunday, 16 August
Overcast. High 81°, low 62°.
Pressure30.18 inHg
Wind5.9 mph NW
Humidity35%
Visibility—
Dew point49°
Mon, 1780° / 65°0.17
80 °
Forest Brook Glen, Monday, 17 August
Rain. High 80°, low 65°.
Pressure30.09 inHg
Wind9.1 mph S
Humidity62%
Visibility—
Dew point61°
Tue, 1873° / 66°0.24
73 °
Forest Brook Glen, Tuesday, 18 August
Light rain. High 73°, low 66°.
Pressure30.06 inHg
Wind6.8 mph SE
Humidity92%
Visibility—
Dew point66°
Wed, 1975° / 66°0.08
75 °
Forest Brook Glen, Wednesday, 19 August
Light rain. High 75°, low 66°.
Pressure29.94 inHg
Wind9.6 mph S
Humidity85%
Visibility—
Dew point64°
Thu, 2079° / 68°0.77
79 °
Forest Brook Glen, Thursday, 20 August
Rain. High 79°, low 68°.
Pressure29.71 inHg
Wind13.8 mph NW
Humidity48%
Visibility—
Dew point56°
Fri, 2179° / 61°0
79 °
Forest Brook Glen, Friday, 21 August
Clear. High 79°, low 61°.
Pressure29.88 inHg
Wind13.1 mph NW
Humidity40%
Visibility—
Dew point49°
Sat, 2278° / 58°0
78 °
Forest Brook Glen, Saturday, 22 August
Clear. High 78°, low 58°.
Pressure30.06 inHg
Wind6.5 mph NW
Humidity32%
Visibility—
Dew point44°
Sun, 2385° / 63°0
85 °
Forest Brook Glen, Sunday, 23 August
Overcast. High 85°, low 63°.
Pressure29.97 inHg
Wind14.6 mph SW
Humidity53%
Visibility—
Dew point64°
From day 17 onward the outlook is built from 60-year climate statistics
Mon, 2482° / 66°0.07
82 °
Forest Brook Glen, Monday, 24 August
Climate normal for this date — 60-year average.
Average high82°
Average low66°
Average precipitation0.07 in
Chance of precipitation23%
Record high92° (1998)
Record low56° (1971)
Tue, 2583° / 66°0.06
83 °
Forest Brook Glen, Tuesday, 25 August
Climate normal for this date — 60-year average.
Average high83°
Average low66°
Average precipitation0.06 in
Chance of precipitation12%
Record high94° (1968)
Record low57° (1987)
Wed, 2683° / 67°0.06
83 °
Forest Brook Glen, Wednesday, 26 August
Climate normal for this date — 60-year average.
Average high83°
Average low67°
Average precipitation0.06 in
Chance of precipitation22%
Record high92° (1975)
Record low57° (1963)
Thu, 2783° / 68°0.18
83 °
Forest Brook Glen, Thursday, 27 August
Climate normal for this date — 60-year average.
Average high83°
Average low68°
Average precipitation0.18 in
Chance of precipitation35%
Record high92° (2020)
Record low58° (1963)
Fri, 2883° / 68°0.23
83 °
Forest Brook Glen, Friday, 28 August
Climate normal for this date — 60-year average.
Average high83°
Average low68°
Average precipitation0.23 in
Chance of precipitation47%
Record high97° (2024)
Record low58° (1968)
Sat, 2982° / 68°0.12
82 °
Forest Brook Glen, Saturday, 29 August
Climate normal for this date — 60-year average.
Average high82°
Average low68°
Average precipitation0.12 in
Chance of precipitation23%
Record high94° (1973)
Record low51° (1982)
Sun, 3082° / 67°0.07
82 °
Forest Brook Glen, Sunday, 30 August
Climate normal for this date — 60-year average.
Average high82°
Average low67°
Average precipitation0.07 in
Chance of precipitation27%
Record high94° (1973)
Record low51° (1986)
Mon, 3182° / 67°0.08
82 °
Forest Brook Glen, Monday, 31 August
Climate normal for this date — 60-year average.
Average high82°
Average low67°
Average precipitation0.08 in
Chance of precipitation18%
Record high95° (2010)
Record low54° (1976)
Tue, 0181° / 66°0.14
81 °
Forest Brook Glen, Tuesday, 1 September
Climate normal for this date — 60-year average.
Average high81°
Average low66°
Average precipitation0.14 in
Chance of precipitation30%
Record high93° (2010)
Record low56° (1967)
Wed, 0280° / 65°0.1
80 °
Forest Brook Glen, Wednesday, 2 September
Climate normal for this date — 60-year average.
Average high80°
Average low65°
Average precipitation0.1 in
Chance of precipitation35%
Record high94° (1980)
Record low55° (1967)
Thu, 0381° / 65°0.13
81 °
Forest Brook Glen, Thursday, 3 September
Climate normal for this date — 60-year average.
Average high81°
Average low65°
Average precipitation0.13 in
Chance of precipitation35%
Record high92° (2015)
Record low51° (1967)
Fri, 0481° / 66°0.09
81 °
Forest Brook Glen, Friday, 4 September
Climate normal for this date — 60-year average.
Average high81°
Average low66°
Average precipitation0.09 in
Chance of precipitation25%
Record high95° (2023)
Record low53° (2024)
Sat, 0580° / 65°0.11
80 °
Forest Brook Glen, Saturday, 5 September
Climate normal for this date — 60-year average.
Average high80°
Average low65°
Average precipitation0.11 in
Chance of precipitation28%
Record high96° (2023)
Record low54° (1997)
Sun, 0680° / 65°0.22
80 °
Forest Brook Glen, Sunday, 6 September
Climate normal for this date — 60-year average.
Average high80°
Average low65°
Average precipitation0.22 in
Chance of precipitation28%
Record high96° (2023)
Record low54° (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 Forest Brook Glen, 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 Forest Brook Glen, 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.