Waterlands
Grimes Brook
USGS · 01189211
GRIMES BROOK
USGS · 01189211LIVE

GRIMES BROOK AT SIMSBURY, CT

SIMSBURY, CT41.8750°N, -72.8192°W
AIR TEMP
77°F
WIND
3mph SSW
FISH INDEX
81SCORE / 100
GREAT · 4 OF 5
Flow Rate Historical Avg
MEDIAN FLOW RATE · 7 DAY
—cfs
No flow data available
Precipitation History
Your History · GRIMES BROOK AT SIMSBURY, CT

Track your history

Sign in to track your sessions at GRIMES BROOK AT SIMSBURY, CT — best days, monthly trends, and time on the water.

Sign in
SPONSORED
Weather Conditions
WEATHER CONDITIONS
TODAY
84°
62°
MON
86°
64°
TUE
92°
64°
WED
96°
68°
THU
103°
74°
FRI
102°
72°
SAT
86°
69°
TIME
MON
12
NOW
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
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
TEMP
hourly forecast
68°
mild
68°
67°
66°
65°
64°
64°
64°
67°
72°
76°
79°
82°
84°
85°
86°
86°
86°
85°
83°
82°
79°
76°
73°
70°
69°
68°
66°
65°
64°
64°
64°
68°
72°
76°
80°
82°
86°
89°
92°
92°
87°
80°
76°
78°
76°
72°
68°
67°
68°
69°
70°
72°
73°
73°
72°
75°
80°
84°
88°
92°
96°
95°
95°
94°
89°
94°
92°
89°
77°
75°
75°
75°
75°
75°
75°
74°
75°
75°
76°
79°
84°
88°
92°
95°
97°
99°
101°
101°
103°
101°
98°
94°
90°
88°
86°
85°
85°
85°
84°
83°
83°
82°
81°
83°
86°
90°
93°
96°
98°
100°
101°
102°
101°
100°
96°
WIND
mph · gust · dir
4mph S
G 12 mph
4
G12
S
3
G11
SSW
4
G6
S
4
G6
S
4
G6
S
2
G3
SSE
2
SE
2
G4
NE
4
G12
N
5
G9
NNE
5
G8
NNE
5
G10
NNE
5
G10
NNE
5
G11
NNE
7
G11
NNE
6
G9
NNE
5
G9
N
1
G6
NNE
4
G6
SSE
4
G6
SE
3
G8
E
3
G6
SE
5
G11
SE
4
G8
WNW
1
G10
SSW
3
G9
SSW
3
G9
S
3
G8
SSE
3
G9
S
4
G9
S
3
G9
S
5
G11
S
6
G15
S
8
G19
SSW
10
G19
SSW
11
G17
SSW
9
G15
SW
9
G15
SW
10
G13
SW
10
G14
W
7
W
6
G17
SSW
6
G22
SSW
9
G24
SSW
7
G22
SW
5
G16
SW
5
G12
SSW
4
G8
SW
5
G25
SW
4
G24
WSW
6
G25
SW
6
G28
W
7
G23
WSW
7
G17
WSW
6
G17
WSW
5
G12
WSW
5
G9
WSW
5
G8
W
6
G7
WNW
5
G9
W
8
G12
WNW
9
G13
NW
9
G11
NW
4
G9
NNW
2
G6
W
7
G14
SW
11
N
4
G24
S
7
WSW
6
G12
SW
3
G11
SW
3
WNW
3
NW
3
W
3
NW
2
W
3
WSW
3
WSW
4
WSW
6
W
8
W
8
WSW
6
G11
W
8
G13
NW
9
G16
NW
10
G15
NW
10
G16
WNW
11
G15
WNW
10
G14
WNW
9
G15
WNW
9
G19
NW
9
G22
NW
9
G27
NW
9
G25
NW
7
NW
6
G11
WNW
6
WNW
6
W
7
W
8
WNW
9
WNW
7
WNW
6
G13
NW
7
G25
NW
8
G23
NW
9
G22
NW
10
G18
NW
11
G15
NW
11
G15
NW
10
G15
NW
11
G16
WNW
11
G15
WNW
11
G14
NW
10
G15
NW
7
G18
NNW
PRECIP
chance %
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%
0%
5%
5%
5%
5%
5%
5%
23%
23%
23%
23%
23%
23%
31%
31%
31%
31%
31%
31%
12%
12%
12%
12%
12%
12%
3%
3%
3%
3%
3%
3%
23%
23%
23%
23%
23%
23%
10%
10%
10%
10%
10%
10%
4%
4%
4%
4%
4%
4%
0%
0%
0%
0%
0%
0%
8%
8%
8%
8%
8%
8%
4%
4%
4%
4%
4%
4%
1%
1%
1%
1%
1%
1%
2%
2%
2%
2%
2%
2%
16%
16%
16%
16%
CLOUDS
cover %
0%
clear
0%
0%
0%
0%
0%
2%
2%
93%
100%
100%
8%
0%
2%
11%
13%
24%
100%
100%
100%
82%
52%
0%
0%
1%
11%
1%
1%
2%
1%
65%
71%
94%
10%
8%
3%
17%
6%
78%
63%
90%
100%
100%
100%
100%
100%
98%
100%
100%
100%
100%
79%
87%
100%
100%
100%
51%
16%
100%
100%
100%
15%
96%
100%
100%
100%
82%
100%
100%
80%
8%
40%
100%
11%
9%
12%
7%
0%
0%
0%
0%
0%
0%
0%
0%
0%
6%
0%
5%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
11%
8%
55%
100%
100%
100%
100%
61%
44%
100%
85%
65%
47%
33%
PRESSURE
hPa · trend
1007
1007100710091009101010101008100410031002100299810031004100310021004100410031001
TemperatureWind / GustsPrecipitationCloud coverPressure
Nowscroll →
FISH INDEX
81
Temperature
Warm
Wind
Calm
Pressure
Rising — Slow
Moon Phase
Peak Activity
DAYLIGHT
SUNRISE
05:18 AM
SUNSET
08:30 PM
15H 12M OF DAYLIGHT0H 0M REMAINING
MOON PHASE
Full Moon
99% illuminated
PEAK ACTIVITY

Station Location

41.8750, -72.8192
Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-06-28 23:44 UTC
Site #01189211·USGS

Create a free account to save favorites, set flow alerts, and track conditions

Sign up free