As of 15:52 EDT

Weather in Adelphi, MD

92°Current weather

Adelphi, Saturday, 8 August, 15:52

Overcast. Feels like 102°. High 92°, low 72°.

Pressure29.97 inHg
Wind3 mph W
Humidity57%
Visibility6.2 mi
Dew point74°

Monthly outlook for Adelphi, MD: average high 84.7°, average low 68.3°. That is 0.2° above the climate normal for August. Precipitation is expected on 6 days (about 1.6 inches), against a normal of 6 days and 2.1 inches. The warmest day looks like 10 August (93.9°), the coolest 15 August (60.3°).

84.7°/68.3°
Average high / low
+0.2°
Above normal
6 / 6
Wet days / normal
1.6 in
Precipitation this month

Ten-day blocks vs climate normal

PeriodForecast highNormalDifference
8 August – 17 August87°85.1°+1.1°
18 August – 27 August80.7°83.6°-1.6°
28 August – 6 Septemberat normal82.8°

August records over 66 years

100.8°17 August 1988All-time high
50.5°30 August 1986All-time low
Sun, 0990° / 72°0Mostly clear
90 °Mostly clear

Adelphi, Sunday, 9 August

Mostly clear. High 90°, low 72°.

Pressure30.03 inHg
Wind8 mph NW
Humidity44%
Visibility6.2 mi
Dew point66°
Mon, 1094° / 73°0.05Light rain
94 °Light rain

Adelphi, Monday, 10 August

Light rain. High 94°, low 73°.

Pressure30.03 inHg
Wind8.5 mph NW
Humidity39%
Visibility6.2 mi
Dew point64°
Tue, 1193° / 72°0.05Light rain
93 °Light rain

Adelphi, Tuesday, 11 August

Light rain. High 93°, low 72°.

Pressure29.97 inHg
Wind9.5 mph NW
Humidity48%
Visibility6.2 mi
Dew point64°
Wed, 1291° / 73°0.01Light rain
91 °Light rain

Adelphi, Wednesday, 12 August

Light rain. High 91°, low 73°.

Pressure29.83 inHg
Wind5.7 mph NW
Humidity62%
Visibility6.2 mi
Dew point66°
Thu, 1390° / 73°0.05Light rain
90 °Light rain

Adelphi, Thursday, 13 August

Light rain. High 90°, low 73°.

Pressure29.80 inHg
Wind11.6 mph NW
Humidity41%
Visibility
Dew point61°
Fri, 1473° / 63°0.7Rain
73 °Rain

Adelphi, Friday, 14 August

Rain. High 73°, low 63°.

Pressure30.00 inHg
Wind6.2 mph NE
Humidity73%
Visibility
Dew point57°
Sat, 1579° / 60°0Clear
79 °Clear

Adelphi, Saturday, 15 August

Clear. High 79°, low 60°.

Pressure30.21 inHg
Wind7.4 mph N
Humidity36%
Visibility
Dew point47°
Sun, 1680° / 63°0Clear
80 °Clear

Adelphi, Sunday, 16 August

Clear. High 80°, low 63°.

Pressure30.27 inHg
Wind6.2 mph NW
Humidity29%
Visibility
Dew point43°
Mon, 1788° / 65°0Mostly clear
88 °Mostly clear

Adelphi, Monday, 17 August

Mostly clear. High 88°, low 65°.

Pressure30.12 inHg
Wind7.5 mph SE
Humidity42%
Visibility
Dew point58°
Tue, 1873° / 70°0.23Light rain
73 °Light rain

Adelphi, Tuesday, 18 August

Light rain. High 73°, low 70°.

Pressure29.97 inHg
Wind7.9 mph S
Humidity93%
Visibility
Dew point69°
Wed, 1988° / 70°0.02Light rain
88 °Light rain

Adelphi, Wednesday, 19 August

Light rain. High 88°, low 70°.

Pressure29.88 inHg
Wind7.5 mph NW
Humidity40%
Visibility
Dew point57°
Thu, 2085° / 68°0Overcast
85 °Overcast

Adelphi, Thursday, 20 August

Overcast. High 85°, low 68°.

Pressure29.97 inHg
Wind6.9 mph E
Humidity38%
Visibility
Dew point55°
Fri, 2173° / 68°0.48Rain
73 °Rain

Adelphi, Friday, 21 August

Rain. High 73°, low 68°.

Pressure29.88 inHg
Wind7.4 mph S
Humidity94%
Visibility
Dew point71°
Sat, 2287° / 68°0Mostly clear
87 °Mostly clear

Adelphi, Saturday, 22 August

Mostly clear. High 87°, low 68°.

Pressure29.77 inHg
Wind8.5 mph NW
Humidity42%
Visibility
Dew point59°
Sun, 2377° / 63°0Overcast
77 °Overcast

Adelphi, Sunday, 23 August

Overcast. High 77°, low 63°.

Pressure30.06 inHg
Wind13.3 mph N
Humidity27%
Visibility
Dew point38°
From day 17 onward the outlook is built from 60-year climate statistics
Mon, 2484° / 66°0.09Climate normal
84 °Climate normal

Adelphi, Monday, 24 August

Climate normal for this date — 60-year average.

Average high84°
Average low66°
Average precipitation0.09 in
Chance of precipitation22%
Record high96° (1995)
Record low56° (1994)
Tue, 2584° / 67°0.07Climate normal
84 °Climate normal

Adelphi, Tuesday, 25 August

Climate normal for this date — 60-year average.

Average high84°
Average low67°
Average precipitation0.07 in
Chance of precipitation23%
Record high96° (1968)
Record low58° (1971)
Wed, 2684° / 67°0.05Climate normal
84 °Climate normal

Adelphi, Wednesday, 26 August

Climate normal for this date — 60-year average.

Average high84°
Average low67°
Average precipitation0.05 in
Chance of precipitation22%
Record high95° (1975)
Record low57° (1963)
Thu, 2785° / 68°0.13Climate normal
85 °Climate normal

Adelphi, Thursday, 27 August

Climate normal for this date — 60-year average.

Average high85°
Average low68°
Average precipitation0.13 in
Chance of precipitation38%
Record high96° (1987)
Record low59° (1969)
Fri, 2885° / 69°0.16Climate normal
85 °Climate normal

Adelphi, Friday, 28 August

Climate normal for this date — 60-year average.

Average high85°
Average low69°
Average precipitation0.16 in
Chance of precipitation45%
Record high97° (1973)
Record low59° (1969)
Sat, 2984° / 68°0.13Climate normal
84 °Climate normal

Adelphi, Saturday, 29 August

Climate normal for this date — 60-year average.

Average high84°
Average low68°
Average precipitation0.13 in
Chance of precipitation30%
Record high96° (1973)
Record low51° (1986)
Sun, 3084° / 67°0.06Climate normal
84 °Climate normal

Adelphi, Sunday, 30 August

Climate normal for this date — 60-year average.

Average high84°
Average low67°
Average precipitation0.06 in
Chance of precipitation25%
Record high95° (1973)
Record low51° (1986)
Mon, 3183° / 67°0.07Climate normal
83 °Climate normal

Adelphi, Monday, 31 August

Climate normal for this date — 60-year average.

Average high83°
Average low67°
Average precipitation0.07 in
Chance of precipitation23%
Record high96° (1973)
Record low54° (1986)
Tue, 0182° / 66°0.13Climate normal
82 °Climate normal

Adelphi, Tuesday, 1 September

Climate normal for this date — 60-year average.

Average high82°
Average low66°
Average precipitation0.13 in
Chance of precipitation27%
Record high96° (1973)
Record low56° (1967)
Wed, 0282° / 66°0.11Climate normal
82 °Climate normal

Adelphi, Wednesday, 2 September

Climate normal for this date — 60-year average.

Average high82°
Average low66°
Average precipitation0.11 in
Chance of precipitation40%
Record high96° (1980)
Record low55° (1967)
Thu, 0383° / 66°0.11Climate normal
83 °Climate normal

Adelphi, Thursday, 3 September

Climate normal for this date — 60-year average.

Average high83°
Average low66°
Average precipitation0.11 in
Chance of precipitation32%
Record high95° (2023)
Record low52° (1967)
Fri, 0482° / 66°0.09Climate normal
82 °Climate normal

Adelphi, Friday, 4 September

Climate normal for this date — 60-year average.

Average high82°
Average low66°
Average precipitation0.09 in
Chance of precipitation33%
Record high96° (2023)
Record low55° (1997)
Sat, 0582° / 66°0.13Climate normal
82 °Climate normal

Adelphi, Saturday, 5 September

Climate normal for this date — 60-year average.

Average high82°
Average low66°
Average precipitation0.13 in
Chance of precipitation30%
Record high98° (2023)
Record low53° (1997)
Sun, 0681° / 65°0.25Climate normal
81 °Climate normal

Adelphi, Sunday, 6 September

Climate normal for this date — 60-year average.

Average high81°
Average low65°
Average precipitation0.25 in
Chance of precipitation30%
Record high97° (2023)
Record low55° (2000)

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 Adelphi, MD 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 Adelphi, MD 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.