Waterlands
Patuxent River
USGS · 01591000
PATUXENT RIVER
USGS · 01591000LIVE

PATUXENT RIVER NEAR UNITY, MD

MONTGOMERY COUNTY, MD39.2383°N, -77.0557°W Updated 58 min ago
FLOW RATE
7.35cfs
GAUGE HT
1.84ft
AIR TEMP
92°F
WIND
8mph WNW
FISH INDEX
63SCORE / 100
GOOD · 3 OF 5
Flow Rate Historical Avg
MEDIAN FLOW RATE · 1 DAY
7.35cfs 66.8% vs avg
Optimal band: 6–8 cfs
PERIOD HIGH
8.61cfs
PERIOD LOW
6.78cfs
RUNNABLE
85%
last 1 day in band

Gauge Height

1.84ft
Precipitation History
Your History · PATUXENT RIVER NEAR UNITY, MD

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Weather Conditions
WEATHER CONDITIONS
TODAY
102°
77°
SUN
98°
75°
MON
79°
67°
TUE
73°
62°
WED
83°
57°
THU
91°
65°
FRI
92°
69°
TIME
SAT
3
NOW
4
pm
5
pm
6
pm
7
pm
8
pm
9
pm
10
pm
11
pm
SUN
12
am
1
am
2
am
3
am
4
am
5
am
6
am
7
am
8
am
9
am
10
am
11
am
12
pm
1
pm
2
pm
3
pm
4
pm
5
pm
6
pm
7
pm
8
pm
9
pm
10
pm
11
pm
MON
12
am
1
am
2
am
3
am
4
am
5
am
6
am
7
am
8
am
9
am
10
am
11
am
12
pm
1
pm
2
pm
3
pm
4
pm
5
pm
6
pm
7
pm
8
pm
9
pm
10
pm
11
pm
TUE
12
am
1
am
2
am
3
am
4
am
5
am
6
am
7
am
8
am
9
am
10
am
11
am
12
pm
1
pm
2
pm
3
pm
4
pm
5
pm
6
pm
7
pm
8
pm
9
pm
10
pm
11
pm
WED
12
am
1
am
2
am
3
am
4
am
5
am
6
am
7
am
8
am
9
am
10
am
11
am
12
pm
1
pm
2
pm
3
pm
4
pm
5
pm
6
pm
7
pm
8
pm
9
pm
10
pm
11
pm
THU
12
am
1
am
2
am
3
am
4
am
5
am
6
am
7
am
8
am
9
am
TEMP
hourly forecast
101°
mild
101°
102°
102°
83°
84°
85°
84°
83°
82°
82°
80°
77°
77°
77°
75°
75°
76°
76°
79°
83°
87°
90°
93°
95°
97°
98°
98°
79°
86°
80°
77°
77°
77°
76°
75°
75°
75°
74°
74°
73°
72°
73°
74°
76°
76°
77°
73°
71°
72°
77°
78°
79°
77°
74°
71°
68°
67°
67°
66°
65°
64°
65°
65°
65°
65°
67°
69°
71°
71°
71°
73°
73°
73°
72°
72°
70°
69°
67°
64°
63°
62°
61°
60°
60°
59°
58°
58°
57°
60°
65°
69°
73°
76°
78°
80°
81°
82°
83°
83°
83°
82°
75°
71°
70°
69°
71°
71°
69°
68°
66°
65°
66°
69°
72°
75°
WIND
mph · gust · dir
7mph WSW
G 18 mph
7
G18
WSW
7
G17
WSW
7
G13
SSW
23
G37
NNW
10
G15
SSE
4
G8
SE
4
G8
SW
4
G7
WSW
6
G9
SSW
6
G14
NNE
4
G12
N
6
G13
NE
4
SSW
3
G7
SE
10
G18
SSE
3
G7
NE
4
G8
E
4
G11
SW
1
G9
NNW
1
G7
ESE
3
G7
SSE
3
G4
SSE
5
G8
SSE
5
G11
SSE
6
G14
S
6
G13
S
8
G14
SSW
25
G43
WNW
14
G26
WNW
10
G19
SSE
6
G15
SE
5
G11
ENE
5
G9
ESE
6
G7
NE
4
G10
NNE
2
G6
E
5
G7
NNW
3
G8
NNE
4
G9
ENE
4
G10
ENE
4
G8
SW
4
G7
NNE
5
G6
N
5
G7
N
6
G8
NNW
9
NNW
7
G11
NNW
5
G10
NNE
4
G8
NNE
5
G6
N
7
G8
N
7
NNE
7
G8
NNE
5
G10
NE
9
G15
NE
11
G16
NE
10
G15
NE
9
G15
NE
7
G14
NE
7
G12
N
8
G13
N
8
G13
N
7
G13
NNE
8
G15
NNE
8
G16
N
10
G15
N
10
G13
NNE
10
G13
N
11
G13
NNE
11
G13
NNE
10
G13
NNE
10
G13
NNE
12
G13
NNE
11
G13
NNE
11
G14
NNE
11
G14
NE
10
G17
NE
6
G13
NE
6
G13
NNE
5
G12
NE
5
G9
NE
4
G6
NE
5
G6
NNE
6
G9
NNE
6
G9
N
4
G5
N
4
N
4
NNE
3
NE
2
ENE
2
ENE
1
ESE
2
E
3
SE
4
SSE
4
SSE
4
SSE
4
G5
SSE
5
S
4
G7
S
4
SE
8
G11
SE
8
G16
SE
8
G19
SE
7
G21
SSE
9
G24
S
10
G26
S
9
G18
S
8
G19
S
7
G20
S
6
G21
S
7
G20
SSW
8
G18
SSW
9
G17
SSW
10
G15
SSW
PRECIP
chance %
4%
4%
10%
17%
36%
25%
17%
22%
18%
19%
23%
21%
19%
13%
9%
7%
5%
2%
2%
3%
2%
2%
4%
6%
8%
17%
24%
24%
37%
44%
46%
82%
82%
82%
82%
82%
82%
32%
32%
32%
32%
32%
32%
59%
59%
59%
59%
59%
59%
72%
72%
72%
72%
72%
72%
71%
71%
71%
71%
71%
71%
43%
43%
43%
43%
43%
43%
22%
22%
22%
22%
22%
22%
36%
36%
36%
36%
36%
36%
27%
27%
27%
27%
27%
27%
4%
4%
4%
4%
4%
4%
7%
7%
7%
7%
7%
7%
4%
4%
4%
4%
4%
4%
5%
5%
5%
5%
5%
5%
7%
7%
7%
7%
7%
7%
10%
CLOUDS
cover %
0%
clear
0%
2%
21%
100%
96%
100%
89%
52%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
59%
50%
10%
1%
100%
32%
5%
0%
8%
93%
100%
100%
100%
99%
100%
100%
100%
100%
100%
100%
100%
100%
95%
100%
100%
100%
100%
100%
100%
100%
100%
100%
99%
27%
93%
25%
23%
75%
33%
84%
90%
29%
52%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
58%
100%
77%
85%
100%
60%
11%
5%
5%
5%
11%
11%
82%
12%
18%
5%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
100%
100%
0%
1%
2%
3%
2%
1%
0%
0%
PRESSURE
hPa · trend
999
9999991000100199999910011001100010001001100310031005100510071003100210011001
TemperatureWind / GustsPrecipitationCloud coverPressure
Nowscroll →
FISH INDEX
63
Temperature
Too Hot
Wind
Light
Pressure
Falling — Active
Moon Phase
Average
DAYLIGHT
SUNRISE
05:47 AM
SUNSET
08:38 PM
14H 51M OF DAYLIGHT
MOON PHASE
Waning Gibbous
78% illuminated

Station Location

39.2383, -77.0557
Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-07-04 13:55 UTC
Site #01591000·USGS

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