Waterlands
Sudbury River
USGS · 01097480
SUDBURY RIVER
USGS · 01097480LIVE

SUDBURY RIVER AT ASHLAND, MA

ASHLAND, MA42.2600°N, -71.4564°W Updated 1 d ago
FLOW RATE
8cfs
AIR TEMP
63°F
WIND
12mph NNE
FISH INDEX
75SCORE / 100
GREAT · 4 OF 5
Flow Rate Historical Avg
MEDIAN FLOW RATE · 30 DAY
8cfs 0.1% vs avg
Optimal band: 4–6 cfs
PERIOD HIGH
11cfs
PERIOD LOW
2cfs
RUNNABLE
50%
last 30 day in band
Precipitation History
Your History · SUDBURY RIVER AT ASHLAND, MA

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Weather Conditions
WEATHER CONDITIONS
TODAY
67°
62°
WED
85°
60°
THU
89°
69°
FRI
89°
67°
SAT
83°
59°
SUN
85°
57°
MON
85°
61°
TIME
WED
1
NOW
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
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
FRI
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
SAT
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
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
TEMP
hourly forecast
62°
mild
62°
63°
62°
61°
60°
60°
63°
65°
68°
71°
74°
77°
80°
82°
83°
84°
85°
85°
83°
79°
75°
73°
71°
70°
70°
70°
70°
69°
69°
69°
73°
77°
81°
84°
86°
88°
89°
87°
84°
83°
80°
84°
81°
77°
72°
71°
70°
70°
70°
70°
69°
69°
68°
68°
71°
73°
77°
82°
85°
89°
89°
87°
82°
79°
75°
72°
72°
70°
68°
68°
67°
67°
66°
66°
66°
65°
64°
65°
65°
67°
73°
76°
79°
81°
82°
82°
83°
82°
78°
76°
72°
66°
62°
60°
59°
58°
58°
58°
58°
58°
57°
58°
63°
68°
74°
78°
80°
83°
85°
85°
83°
79°
76°
75°
74°
WIND
mph · gust · dir
9mph NNW
G 25 mph
9
G25
NNW
9
G23
N
7
G21
N
7
G20
N
5
G13
NNW
6
G17
NNW
5
G15
NNW
6
G14
N
6
G13
N
5
G12
NNW
7
G12
N
6
G10
N
6
G13
N
7
G13
NNW
6
G13
NNW
6
G12
NNW
4
G10
WNW
5
G11
W
5
G10
WSW
4
G8
SW
4
G11
SSW
6
G9
SSE
4
G10
S
5
G14
SW
7
G14
SW
8
G16
SW
8
G16
WSW
8
G17
WSW
7
G15
WSW
7
G15
WSW
7
G20
WSW
8
G19
WSW
8
G17
WSW
8
G13
WSW
9
G13
WSW
9
G14
SW
10
G13
SW
8
G13
WSW
3
G13
WNW
4
G12
W
5
G13
SW
11
G22
SSW
12
G28
SW
10
G24
SW
8
G26
SW
7
G26
SSW
9
G26
SW
9
G24
SW
8
G21
SW
7
G17
SW
5
G15
SW
5
G14
SW
4
G14
WSW
4
G15
WSW
3
G15
W
4
G18
WNW
5
G12
NW
5
G10
NNW
5
G8
N
3
G8
NNW
5
G11
NW
5
G11
NNE
7
G11
ENE
6
G11
E
2
G16
NE
5
G21
ENE
3
G15
N
4
G12
W
3
G10
W
2
G9
WNW
2
G9
WSW
2
G8
WSW
3
G8
NW
4
G13
NNW
5
G18
NNW
6
G20
N
5
G22
N
5
G23
N
6
G26
N
6
G27
NNE
10
G21
NNE
10
G18
NE
9
G20
NE
9
G18
NE
8
G17
NE
7
G17
NE
7
G16
ENE
9
G16
E
11
G12
E
9
G11
E
7
G11
E
4
E
3
ESE
3
S
3
SSW
3
SW
3
WSW
3
WNW
3
W
3
W
2
G3
W
1
G3
SW
0
G5
S
0
G5
SE
1
G5
SSW
2
G4
SSW
4
SSW
4
SSW
4
SW
4
G5
SSW
3
G7
S
4
G9
SE
5
G11
ESE
5
G12
SE
6
G13
S
PRECIP
chance %
5%
5%
2%
1%
1%
1%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
5%
5%
5%
5%
5%
5%
11%
11%
11%
11%
11%
11%
4%
4%
4%
4%
4%
4%
8%
8%
8%
8%
8%
8%
56%
56%
56%
56%
56%
56%
33%
33%
33%
33%
33%
33%
8%
8%
8%
8%
8%
8%
5%
5%
5%
5%
5%
5%
11%
11%
11%
11%
11%
11%
6%
6%
6%
6%
6%
6%
4%
4%
4%
4%
4%
4%
3%
3%
3%
3%
3%
3%
2%
2%
2%
2%
2%
CLOUDS
cover %
100%
overcast
100%
26%
26%
57%
99%
55%
25%
16%
4%
5%
4%
2%
0%
0%
1%
3%
6%
9%
7%
0%
0%
2%
0%
0%
0%
0%
0%
0%
0%
0%
100%
100%
100%
100%
100%
77%
90%
100%
100%
100%
100%
100%
53%
32%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
96%
22%
34%
89%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
47%
100%
100%
100%
80%
28%
0%
5%
6%
0%
100%
100%
100%
91%
8%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
6%
12%
12%
10%
7%
23%
46%
66%
81%
94%
PRESSURE
hPa · trend
1010
10101009100910071006100610041002100210021000100110021004100610081011101310131014
TemperatureWind / GustsPrecipitationCloud coverPressure
Nowscroll →
FISH INDEX
75
Temperature
Ideal
Wind
Moderate
Pressure
Stable
Moon Phase
Good
DAYLIGHT
SUNRISE
05:16 AM
SUNSET
08:24 PM
15H 8M OF DAYLIGHT
MOON PHASE
Last Quarter
43% illuminated

Station Location

42.2600, -71.4564
Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-07-07 00:00 UTC
Site #01097480·USGS

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