Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 20

Full Moon 100%

19:09

07:01

09 Good
10 Good
11 Good
12 Good
13 Good
14 Good
15 Good
16 OK
17 Bad
18 Good
19 Good
20 Good
21 Good
22 Good
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad

Sun - Rise: 06:37, Set: 18:50, Transit: 12:43. Moon - Rise: 19:09, Set: 07:01. Civil Dark: 19:18 - 06:09. Nautical Dark: 19:51 - 05:36. Astro Dark: 20:26 - 05:02

Total Clouds (% Sky Obscured)

0
0
0
0
0
1
2
31
61
3
4
7
9
9
91
97
100
99
96
89
74
72
98
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
1
2
27
35
3
4
7
9
9
15
24
59
86
54
20
14
58
98
100

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
7
42
0
0
0
0
0
90
96
99
97
91
87
71
48
16
2

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
44
0
0
1
6
0
98
5

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

1
2
3
4
4
5
5
5
5
4
4
3
4
4
4
4
4
4
4
3
3
3
3
3

Chance of Frost

Temperature (°C)

12
14
17
19
20
21
22
23
22
21
18
16
15
14
14
13
13
12
11
11
10
10
10
11

Feels Like (°C)

12
14
17
19
20
21
22
23
22
21
18
16
15
14
14
13
13
12
11
11
10
10
10
11

Dew Point (°C)

9
10
11
12
12
12
13
13
14
14
13
13
12
12
12
12
12
11
11
10
10
10
10
10

Relative Humidity (%)

81
74
68
64
60
55
54
56
61
68
74
78
83
87
90
91
93
94
95
97
99
98
97
91

Pressure (mb)

1028
1028
1028
1028
1028
1027
1027
1027
1027
1027
1027
1028
1028
1029
1029
1029
1029
1029
1029
1029
1030
1030
1030
1030

Ozone (du)

277
277
277
277
276
277
277
278
278
277
278
280
280
280
280
280
280
281
280
280
280
280
280
280

Tuesday 21

Waning Gibbous 98%

19:30

08:06

09 Bad
10 Bad
11 OK
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 OK
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad

Sun - Rise: 06:38, Set: 18:48, Transit: 12:43. Moon - Rise: 19:30, Set: 08:06. Civil Dark: 19:16 - 06:10. Nautical Dark: 19:50 - 05:37. Astro Dark: 20:24 - 05:03

Total Clouds (% Sky Obscured)

95
73
30
81
91
98
95
99
92
59
27
99
95
95
99
99
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

94
73
27
8
0
23
63
93
86
56
27
77
38
34
72
93
97
100
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
9
17
43
6
2
1
0
0
1

High Clouds (% Sky Obscured)

13
0
3
79
91
97
88
94
46
9
0
98
93
93
96
92
98
96
97
98
99
96
98
98

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
8
7
5
7
4
3
4

Fog (%)

3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
20
45
47
45
34
0
24

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
Very Light Rain
None
None
Very Light Rain
Very Light Rain
Very Light Rain
Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
2
0
0
0
3
3
6
5
5
8
11
16
19

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0.01
0
0
0
0.01
0.02
0.05
0.04
0.05
0.09
0.15
0.3
0.42

Wind Speed/Direction (mph)

3
4
5
6
6
7
8
8
7
6
5
4
4
5
5
5
4
4
4
4
3
3
4
4

Chance of Frost

Temperature (°C)

13
14
16
18
19
20
21
21
21
19
18
17
16
15
15
14
14
14
14
15
15
15
15
15

Feels Like (°C)

13
14
16
18
19
20
21
21
21
19
18
17
16
15
15
14
14
15
15
15
15
15
15
15

Dew Point (°C)

11
11
11
12
13
12
13
13
14
14
13
14
13
14
14
14
14
14
14
15
15
15
15
15

Relative Humidity (%)

88
81
74
70
64
61
60
62
68
72
77
83
86
89
92
96
99
100
100
100
100
99
99
96

Pressure (mb)

1030
1030
1030
1029
1029
1028
1028
1027
1027
1027
1027
1027
1027
1026
1026
1026
1025
1025
1025
1024
1024
1024
1023
1023

Ozone (du)

280
279
279
279
279
279
279
279
279
279
279
279
278
277
277
277
277
278
279
280
280
281
281
282

Wednesday 22

Waning Gibbous 95%

19:51

No Set

09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad

Sun - Rise: 06:40, Set: 18:46, Transit: 12:42. Moon - Rise: 19:51, Set: No Set. Civil Dark: 19:14 - 06:11. Nautical Dark: 19:48 - 05:38. Astro Dark: 20:22 - 05:04

Total Clouds (% Sky Obscured)

100
100
100
100
99
96
98
99
99
98
100
100
100
100
99
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

100
100
100
98
49
50
70
33
14
31
99
100
100
100
96
98
100
98
98
98
98
98
98
100

Medium Clouds (% Sky Obscured)

9
17
48
13
31
16
15
10
3
0
3
7
1
0
0
1
1
7
7
7
7
7
7
4

High Clouds (% Sky Obscured)

59
32
59
97
99
91
95
98
99
98
96
94
80
93
91
93
97
86
86
86
86
86
86
45

ISS Passover

Visibility (miles)

5
8
9
8
7
10
7
8
8
10
10
10
10
10
10
10
10
9
10
10
9
7
6
6

Fog (%)

45
22
0
0
0
0
0
0
0
0
0
0
44
45
0
0
45
45
45
45
45
45
45
45

Precipitation Type

Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

18
11
11
11
14
10
18
14
13
11
12
11
7
8
8
13
18
7
7
9
11
26
37
45

Precipitation Amount (mm)

0.33
0.13
0.14
0.15
0.31
0.22
0.34
0.21
0.18
0.09
0.1
0.09
0.06
0.07
0.06
0.12
0.18
0.03
0.05
0.09
0.12
0.33
0.57
1.18

Wind Speed/Direction (mph)

4
5
6
7
8
8
8
8
8
8
8
8
8
9
9
9
9
9
10
10
10
10
11
9

Chance of Frost

Temperature (°C)

16
17
18
19
20
21
22
22
23
22
21
20
19
19
19
19
19
18
19
19
19
18
18
17

Feels Like (°C)

16
17
18
19
21
22
22
23
23
22
21
20
20
19
19
19
19
19
19
19
19
19
18
18

Dew Point (°C)

15
16
17
18
19
18
19
19
20
19
19
18
18
18
18
18
18
18
18
19
18
18
18
17

Relative Humidity (%)

94
94
94
94
89
83
82
81
83
86
89
90
94
96
97
98
99
99
98
98
98
99
100
98

Pressure (mb)

1023
1022
1022
1021
1020
1020
1019
1018
1018
1018
1018
1018
1018
1018
1018
1017
1017
1018
1017
1017
1017
1016
1016
1017

Ozone (du)

282
281
281
281
281
280
280
281
281
281
281
280
280
280
280
280
279
279
279
278
279
278
279
281

Thursday 23

Waning Gibbous 90%

20:13

09:10

09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad

Sun - Rise: 06:41, Set: 18:44, Transit: 12:42. Moon - Rise: 20:13, Set: 09:10. Civil Dark: 19:13 - 06:12. Nautical Dark: 19:46 - 05:39. Astro Dark: 20:20 - 05:05

Total Clouds (% Sky Obscured)

100
100
100
100
100
91
91
91
91
91
91
100
100
100
100
100
100
98
98
98
98
98
98
100

Low Clouds (% Sky Obscured)

100
100
100
100
100
52
52
52
52
52
52
100
100
100
100
100
100
98
98
98
98
98
98
100

Medium Clouds (% Sky Obscured)

4
4
4
4
4
39
39
39
39
39
39
13
13
13
13
13
13
6
6
6
6
6
6
41

High Clouds (% Sky Obscured)

45
45
45
45
45
81
81
81
81
81
81
13
13
13
13
13
13
36
36
36
36
36
36
15

ISS Passover

Visibility (miles)

7
8
10
10
10
8
6
7
6
8
10
9
10
10
10
10
10
10
10
10
10
10
10
10

Fog (%)

45
45
45
45
45
45
45
45
45
45
45
45
45
45
45
45
45
45
45
45
45
45
45
45

Precipitation Type

Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

56
56
50
49
45
51
70
68
58
70
64
39
21
16
18
19
22
16
19
23
23
21
17
18

Precipitation Amount (mm)

2.42
2
1.73
1.45
1.27
1.45
1.94
1.51
1.88
1.36
1.31
0.99
0.22
0.22
0.25
0.28
0.32
0.14
0.17
0.23
0.26
0.21
0.13
0.14

Wind Speed/Direction (mph)

10
9
9
9
10
10
7
5
5
4
4
5
5
6
6
5
5
6
5
5
5
5
5
6

Chance of Frost

Temperature (°C)

17
18
18
18
19
20
18
17
17
17
17
17
17
16
16
15
15
15
15
15
14
14
14
15

Feels Like (°C)

17
18
18
19
19
21
18
18
18
17
17
18
17
17
16
16
15
15
15
15
14
14
14
15

Dew Point (°C)

17
17
17
18
17
19
17
17
17
17
17
17
17
16
16
15
15
15
15
15
14
14
14
15

Relative Humidity (%)

99
97
95
95
92
90
94
98
100
100
99
99
99
100
100
100
100
100
100
100
100
100
100
98

Pressure (mb)

1015
1015
1016
1015
1015
1015
1015
1016
1016
1016
1017
1017
1017
1017
1017
1017
1017
1018
1018
1018
1018
1018
1018
1018

Ozone (du)

282
283
283
284
284
281
281
283
284
285
286
283
284
285
286
288
291
289
290
291
292
293
292
289

Friday 24

Waning Gibbous 83%

20:36

10:13

09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 OK

Sun - Rise: 06:42, Set: 18:42, Transit: 12:42. Moon - Rise: 20:36, Set: 10:13. Civil Dark: 19:11 - 06:14. Nautical Dark: 19:44 - 05:40. Astro Dark: 20:18 - 05:07

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
73
73
73
73
73
73
32

Low Clouds (% Sky Obscured)

100
100
100
100
100
96
96
96
96
96
96
97
97
97
97
97
97
32
32
32
32
32
32
32

Medium Clouds (% Sky Obscured)

41
41
41
41
41
92
92
92
92
92
92
72
72
72
72
72
72
1
1
1
1
1
1
0

High Clouds (% Sky Obscured)

15
15
15
15
15
100
100
100
100
100
100
100
100
100
100
100
100
65
65
65
65
65
65
0

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10

Fog (%)

45
45
45
45
45
45
45
45
45
45
45
45
45
45
45
45
45
45
45
45
45
45
45
45

Precipitation Type

Very Light Rain
Very Light Rain
Light Rain
Light Rain
Moderate Rain
Moderate Rain
Moderate Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
Very Light Rain

Precipitation Probability (%)

19
24
24
28
34
34
27
19
19
26
22
22
21
20
18
18
20
20
14
7
2
2
5
6

Precipitation Amount (mm)

0.18
0.29
0.51
1.21
2.67
3.46
2.82
1.55
0.83
0.68
0.68
1.06
0.82
0.58
0.42
0.34
0.29
0.23
0.12
0.03
0.01
0.01
0.02
0.04

Wind Speed/Direction (mph)

6
7
7
7
8
9
9
8
6
5
4
4
4
4
4
3
3
3
2
2
2
1
1
2

Chance of Frost

Temperature (°C)

16
17
18
19
20
19
19
18
18
17
15
16
15
15
15
15
15
15
14
14
14
14
14
14

Feels Like (°C)

16
17
18
19
20
19
19
18
18
17
15
16
16
15
15
15
15
15
14
14
14
14
14
14

Dew Point (°C)

15
15
15
16
16
13
13
14
14
14
13
15
15
15
15
15
15
15
14
14
14
14
14
14

Relative Humidity (%)

94
89
83
80
78
68
69
74
79
86
90
94
95
99
100
100
100
100
100
100
100
100
100
99

Pressure (mb)

1018
1018
1018
1018
1018
1017
1017
1017
1017
1017
1018
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1018

Ozone (du)

288
287
285
284
284
290
290
288
287
285
283
280
278
277
277
277
277
278
278
279
279
279
280
280

Saturday 25

Waning Gibbous 75%

21:03

11:17

09 OK
10 OK
11 OK
12 OK
13 OK
14 OK
15 OK
16 OK
17 OK
18 OK
19 OK
20 Good
21 Good
22 Good
23 Good
00 Good
01 Good
02 Good
03 Good
04 Good
05 Good
06 Good
07 Good
08 OK

Sun - Rise: 06:43, Set: 18:41, Transit: 12:41. Moon - Rise: 21:03, Set: 11:17. Civil Dark: 19:09 - 06:15. Nautical Dark: 19:42 - 05:42. Astro Dark: 20:16 - 05:08

Total Clouds (% Sky Obscured)

32
32
32
32
32
31
31
31
31
31
31
3
3
3
3
3
3
0
0
0
0
0
0
42

Low Clouds (% Sky Obscured)

32
32
32
32
32
31
31
31
31
31
31
3
3
3
3
3
3
0
0
0
0
0
0
36

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
37

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10

Fog (%)

45
45
45
45
45
45
45
45
45
45
45
45
45
45
45
45
45
45
45
45
45
45
45
45

Precipitation Type

Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

8
10
9
7
3
2
1
0
0
0
2
2
2
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.08
0.14
0.19
0.15
0.09
0.05
0.02
0
0
0
0.02
0.04
0.02
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

2
3
4
4
5
5
5
5
5
5
4
3
3
2
2
2
2
2
2
2
2
2
2
2

Chance of Frost

Temperature (°C)

16
18
19
20
20
21
21
21
21
19
17
16
15
14
14
13
13
13
12
12
12
11
11
12

Feels Like (°C)

16
18
19
20
21
21
21
21
21
19
18
16
15
14
14
13
13
13
12
12
12
11
11
12

Dew Point (°C)

15
16
17
17
16
16
16
16
17
16
16
15
14
14
14
13
13
13
12
12
12
11
11
12

Relative Humidity (%)

96
90
86
83
76
72
71
74
78
84
89
94
96
99
100
100
100
100
100
100
100
100
100
100

Pressure (mb)

1018
1017
1017
1017
1016
1016
1015
1015
1015
1015
1015
1016
1016
1016
1016
1016
1016
1015
1015
1015
1015
1015
1015
1016

Ozone (du)

280
279
279
280
281
282
283
284
285
286
287
288
289
290
290
290
290
291
292
294
297
299
302
305

Sunday 26

Waning Gibbous 66%

21:35

12:19

09 OK
10 Bad
11 OK
12 OK
13 OK
14 OK
15 OK
16 Bad
17 Bad
18 Bad
19 Bad
20 OK
21 Bad
22 Bad
23 Bad
00 Bad
01 OK
02 OK
03 OK
04 Good
05 Good
06 Good
07 Good
08 Bad

Sun - Rise: 06:44, Set: 18:39, Transit: 12:41. Moon - Rise: 21:35, Set: 12:19. Civil Dark: 19:07 - 06:16. Nautical Dark: 19:40 - 05:43. Astro Dark: 20:14 - 05:09

Total Clouds (% Sky Obscured)

42
42
42
42
42
47
47
47
47
47
47
2
2
2
2
2
2
0
0
0
0
0
0
78

Low Clouds (% Sky Obscured)

36
36
36
36
36
17
17
17
17
17
17
2
2
2
2
2
2
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

37
37
37
37
37
45
45
45
45
45
45
0
0
0
0
0
0
0
0
0
0
0
0
64

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
58

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
7
4
2
4
8
10
10
10
10
10
10
10

Fog (%)

45
45
45
45
45
45
45
45
45
45
45
45
45
45
45
45
45
45
45
45
45
45
45
45

Precipitation Type

None
None
None
None
None
None
None
Very Light Rain
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None

Precipitation Probability (%)

0
0
0
0
0
0
2
7
13
19
31
43
45
41
45
38
31
31
23
14
9
6
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0.01
0.05
0.13
0.28
0.51
0.62
0.43
0.28
0.33
0.4
0.44
0.43
0.3
0.14
0.05
0.02
0
0

Wind Speed/Direction (mph)

2
3
4
5
5
5
5
5
5
4
4
4
4
4
4
4
4
4
4
4
4
4
3
3

Chance of Frost

Temperature (°C)

14
16
17
19
20
21
21
21
20
18
17
15
14
13
13
12
12
11
11
10
10
10
10
10

Feels Like (°C)

14
16
17
19
20
21
21
21
20
18
17
15
14
13
13
12
12
11
11
10
10
9
9
10

Dew Point (°C)

13
14
15
15
15
15
15
16
16
16
16
15
14
13
13
12
12
11
11
10
10
10
10
10

Relative Humidity (%)

98
93
87
81
72
67
68
74
81
86
94
97
99
100
100
100
100
100
100
100
100
100
100
98

Pressure (mb)

1016
1015
1015
1015
1014
1013
1012
1011
1011
1011
1012
1012
1012
1013
1013
1013
1013
1013
1013
1014
1014
1014
1014
1014

Ozone (du)

307
309
310
309
308
308
308
309
309
310
311
313
315
317
320
323
327
329
331
331
332
333
334
335

Forecast for Grafton, Windham County, US (43.17,-72.61)

Generated: 20/09/21 09:17:57. Forecast: 20/09/21 to 26/09/21. Timezone: UTC-4.00