Waterlands
Charles River
USGS · 01103280
CHARLES RIVER
USGS · 01103280LIVE

CHARLES RIVER AT MEDWAY, MA

MEDWAY, MA42.1398°N, -71.3895°W Updated 1 hr ago
FLOW RATE
26cfs
AIR TEMP
72°F
WIND
6mph S
FISH INDEX
69SCORE / 100
GREAT · 4 OF 5
Flow Rate Historical Avg
MEDIAN FLOW RATE · 30 DAY
26cfs 61.0% vs avg
Optimal band: 2026 cfs
PERIOD HIGH
61cfs
PERIOD LOW
15cfs
RUNNABLE
45%
last 30 day in band
Precipitation History

Precipitation · YTD

Normal

Near-normal year

2026 to date

20.0in

≈ normal

20.01 in of precipitation so far this year — about average for this point in the season (normal 20.52 in).

YTD Total

20.0in

This year so far

Normal to Date

20.5in

30-yr average

Typical Range

15.1–25.9in

10th–90th pct YTD

Departure

-2%

vs 30-yr normal

By Month

This year
Typical range
Normal
Jan: 3.18" · normal 3.36" (1.7–5.0)
Jan
Feb: 2.58" · normal 3.05" (1.7–4.5)
Feb
Mar: 5.18" · normal 4.25" (2.3–6.7)
Mar
Apr: 3.49" · normal 3.68" (1.9–6.2)
Apr
May: 3.17" · normal 3.06" (1.4–4.7)
May
Jun: 2.41" (so far)· normal 3.60" (1.5–6.3)
Jun
Jul: normal 3.12" (1.6–5.3)
Jul
Aug: normal 3.49" (1.4–5.9)
Aug
Sep: normal 3.47" (1.6–6.5)
Sep
Oct: normal 3.84" (1.3–6.2)
Oct
Nov: normal 3.40" (1.9–4.9)
Nov
Dec: normal 4.20" (2.3–6.7)
Dec
Baseline 19912020 · Source: Open-Meteo10:34 PM
Your History · CHARLES RIVER AT MEDWAY, MA

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Weather Conditions
WEATHER CONDITIONS
TODAY
82°
57°
FRI
82°
65°
SAT
85°
63°
SUN
83°
59°
MON
88°
61°
TUE
87°
62°
WED
76°
60°
TIME
FRI
2
NOW
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
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
TEMP
hourly forecast
67°
mild
67°
66°
66°
65°
65°
66°
67°
68°
70°
73°
73°
72°
77°
80°
81°
82°
82°
77°
71°
70°
69°
69°
68°
68°
68°
67°
67°
66°
67°
68°
71°
74°
75°
78°
81°
83°
85°
83°
77°
80°
76°
71°
68°
65°
64°
63°
62°
61°
61°
60°
60°
59°
60°
62°
65°
69°
75°
79°
81°
83°
79°
75°
75°
78°
76°
74°
68°
65°
64°
63°
63°
62°
63°
62°
61°
61°
62°
65°
69°
74°
80°
83°
86°
88°
80°
84°
75°
77°
75°
73°
69°
68°
65°
64°
63°
63°
63°
63°
62°
62°
63°
67°
73°
78°
81°
84°
80°
86°
87°
85°
82°
79°
76°
74°
72°
WIND
mph · gust · dir
4mph S
G 13 mph
4
G13
S
3
G8
S
3
G6
WNW
3
SE
1
G3
WNW
2
G4
ENE
6
G12
ESE
8
G18
SSE
8
G19
S
10
G17
SSE
10
G17
S
10
G18
SSW
9
G15
SSW
9
G16
SW
8
G16
SW
9
G17
SSW
8
G15
SSW
9
G15
SSE
4
G7
SSW
5
G11
SSW
3
G13
SSW
1
G6
ENE
2
G3
E
2
S
2
SSW
3
G4
S
3
G5
SW
2
G5
SW
3
G9
SW
1
G9
WSW
1
G5
WSW
1
G4
N
2
G6
NW
1
G5
NW
2
G5
WNW
3
G6
W
3
G7
NW
10
G13
ESE
9
ESE
8
G9
SE
6
G11
S
4
G12
SSE
4
G14
SE
4
G13
ESE
4
G6
ESE
3
G4
ESE
2
G3
E
2
NE
3
NNE
4
N
4
N
4
N
4
N
4
NNE
5
NNE
5
NNE
4
G5
NE
4
G5
NE
4
G5
NE
5
G6
NE
6
NE
5
G6
ENE
5
G6
SE
8
SSE
9
G14
SSE
6
G17
S
4
G19
S
5
G19
SSW
5
G17
S
4
G17
SSW
5
G13
SSW
3
G14
SSW
3
G10
WSW
4
G7
WSW
5
WSW
4
WSW
2
G3
W
2
G6
W
2
G8
W
3
G9
W
2
G8
WNW
1
G7
NW
1
G7
WNW
2
G6
NW
5
G7
N
6
G7
E
11
SE
8
S
8
S
7
G12
S
6
G12
S
6
G12
S
5
G7
S
4
G9
SSW
5
G12
SSW
5
G13
SW
5
G9
SW
5
G9
SW
5
SW
5
WSW
5
G6
SW
5
G7
SW
6
G10
SW
7
G11
SW
7
G10
SW
7
G10
SW
5
G10
SSW
6
G10
SW
10
G11
SSW
11
G13
SSW
12
G15
SSW
12
G17
SW
12
G20
SSW
11
G22
SSW
10
G25
SSW
PRECIP
chance %
1%
1%
6%
7%
12%
37%
50%
51%
46%
26%
31%
14%
12%
8%
6%
9%
6%
16%
12%
25%
12%
6%
2%
0%
0%
0%
0%
0%
0%
0%
0%
1%
31%
31%
31%
31%
31%
31%
45%
45%
45%
45%
45%
45%
11%
11%
11%
11%
11%
11%
3%
3%
3%
3%
3%
3%
2%
2%
2%
2%
2%
2%
12%
12%
12%
12%
12%
12%
1%
1%
1%
1%
1%
1%
1%
1%
1%
1%
1%
1%
1%
1%
1%
1%
1%
1%
5%
5%
5%
5%
5%
5%
1%
1%
1%
1%
1%
1%
5%
5%
5%
5%
5%
5%
11%
11%
11%
11%
11%
11%
16%
16%
16%
16%
16%
16%
CLOUDS
cover %
100%
overcast
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
92%
61%
11%
6%
1%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
72%
69%
51%
100%
100%
83%
50%
44%
36%
100%
49%
5%
0%
0%
0%
0%
12%
2%
5%
16%
24%
40%
100%
100%
100%
100%
100%
43%
8%
51%
63%
100%
100%
100%
43%
24%
7%
0%
0%
5%
6%
8%
20%
100%
100%
17%
8%
12%
15%
73%
11%
29%
6%
6%
17%
100%
47%
5%
5%
5%
5%
80%
100%
8%
18%
12%
12%
34%
17%
11%
17%
5%
18%
96%
17%
21%
35%
100%
100%
100%
100%
100%
100%
100%
100%
100%
PRESSURE
hPa · trend
1013
10131014101110111012101310101010101010111010101110121013101210131014101410101010
TemperatureWind / GustsPrecipitationCloud coverPressure
Nowscroll →
FISH INDEX
69
Temperature
Warm
Wind
Light
Pressure
Stable
Moon Phase
Average
DAYLIGHT
SUNRISE
05:10 AM
SUNSET
08:25 PM
15H 15M OF DAYLIGHT18H 47M REMAINING
MOON PHASE
Waxing Gibbous
83% illuminated

Station Location

42.1398, -71.3895
Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-06-26 01:38 UTC
Site #01103280·USGS

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