Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 17

Waxing Crescent 31%

09:45

00:45

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

Sun - Rise: 05:23, Set: 20:10, Transit: 12:46. Moon - Rise: 09:45, Set: 00:45. Civil Dark: 20:43 - 04:50. Nautical Dark: 21:25 - 04:08. Astro Dark: 22:13 - 03:20

Total Clouds (% Sky Obscured)

15
4
1
0
0
0
0
0
1
0
2
25
36
47
48
81
67
30
45
40
99
80
79
8

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
1
0
1
3
0
2
1
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
2
24
36
45
45
65
45
17
41
33
18
11
13
2

High Clouds (% Sky Obscured)

15
4
0
0
0
0
0
0
0
0
1
1
1
4
10
56
51
23
16
16
98
77
76
6

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
0
0
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

1
2
2
1
2
0
0
2
2
2
2
3
4
4
7
10
10
9
7
7
7
5
3
3

Precipitation Amount (mm)

0
0.02
0.03
0.01
0.03
0
0
0.02
0.03
0.03
0.01
0.06
0.08
0.09
0.11
0.13
0.13
0.12
0.09
0.06
0.05
0.04
0.02
0.02

Wind Speed/Direction (mph)

3
3
3
3
3
3
3
2
2
3
3
3
2
2
3
4
4
4
4
4
3
3
4
4

Chance of Frost

Temperature (°C)

11
10
10
9
8
8
9
11
14
16
18
20
20
21
22
21
21
20
20
19
17
15
13
12

Feels Like (°C)

11
10
9
8
8
7
9
11
14
16
18
20
20
21
22
21
21
20
20
19
17
15
13
12

Dew Point (°C)

7
6
6
6
5
5
6
8
9
10
9
9
8
9
8
9
9
9
10
12
12
11
10
9

Relative Humidity (%)

75
76
78
80
81
84
85
83
74
65
54
49
47
44
41
44
46
49
53
63
72
77
79
81

Pressure (mb)

1024
1024
1024
1024
1024
1025
1025
1025
1025
1025
1025
1025
1024
1024
1023
1023
1023
1023
1023
1023
1024
1024
1025
1025

Ozone (du)

384
384
386
387
385
384
387
388
387
386
385
381
380
382
382
382
382
383
381
380
379
379
378
379

Tuesday 18

Waxing Crescent 41%

10:50

01:25

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

Sun - Rise: 05:22, Set: 20:11, Transit: 12:46. Moon - Rise: 10:50, Set: 01:25. Civil Dark: 20:44 - 04:49. Nautical Dark: 21:26 - 04:07. Astro Dark: 22:15 - 03:18

Total Clouds (% Sky Obscured)

20
96
99
98
99
88
61
34
5
3
43
51
23
53
89
44
33
82
20
58
3
99
98
25

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
2
2
0
0
0
0
1
0
0
0
0
0

Medium Clouds (% Sky Obscured)

1
0
70
21
99
88
61
27
5
0
0
4
6
31
39
44
33
28
20
13
2
2
1
0

High Clouds (% Sky Obscured)

19
96
99
98
90
0
0
9
0
2
43
48
19
39
83
1
0
77
0
52
1
99
98
25

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
0
0
0
0
0
0
0
0

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 (%)

2
2
2
0
0
0
0
1
2
2
3
3
2
0
0
0
2
2
2
2
1
1
0
0

Precipitation Amount (mm)

0.01
0.01
0.01
0
0
0
0
0.01
0.01
0.01
0.02
0.02
0.01
0
0
0
0.01
0.02
0.02
0.03
0.02
0.01
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

12
11
11
10
10
10
11
12
14
16
18
20
21
22
23
24
23
22
22
20
19
17
16
15

Feels Like (°C)

12
11
11
10
10
10
11
12
14
16
18
20
21
22
23
24
23
22
22
20
19
17
16
15

Dew Point (°C)

9
8
8
8
8
8
9
10
12
12
12
12
11
11
11
11
11
12
12
13
12
12
11
11

Relative Humidity (%)

82
83
84
86
88
89
91
91
86
76
67
59
55
50
46
45
47
51
54
60
66
70
73
76

Pressure (mb)

1025
1025
1025
1024
1024
1024
1024
1025
1025
1025
1025
1024
1024
1023
1023
1022
1022
1022
1022
1022
1023
1023
1024
1024

Ozone (du)

382
383
385
385
387
390
393
393
386
381
377
374
373
373
376
375
374
373
371
370
365
364
364
363

Wednesday 19

First Quarter 52%

11:58

01:59

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

Sun - Rise: 05:21, Set: 20:12, Transit: 12:46. Moon - Rise: 11:58, Set: 01:59. Civil Dark: 20:45 - 04:48. Nautical Dark: 21:27 - 04:06. Astro Dark: 22:17 - 03:16

Total Clouds (% Sky Obscured)

55
62
48
46
44
0
16
15
5
0
58
20
29
20
22
22
22
22
22
22
2
2
2
2

Low 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

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
20
22
22
22
22
22
22
2
2
2
2

High Clouds (% Sky Obscured)

55
62
48
46
44
0
16
15
5
0
58
20
29
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 (%)

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 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
1
1
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
2
0
0

Precipitation Amount (mm)

0
0
0.01
0.01
0
0
0
0
0
0
0
0
0
0
0
0
0.01
0.01
0.01
0.01
0.01
0.01
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

14
13
13
12
11
11
12
14
17
19
21
23
24
25
26
26
26
26
25
24
22
20
18
17

Feels Like (°C)

14
13
13
12
11
11
12
14
17
19
21
23
24
25
26
26
26
26
25
24
22
20
18
17

Dew Point (°C)

10
10
10
9
9
9
9
11
12
12
12
11
11
12
12
12
13
13
14
14
15
14
13
13

Relative Humidity (%)

79
80
82
84
86
87
87
83
73
64
54
48
45
43
42
41
43
45
49
56
64
70
72
75

Pressure (mb)

1024
1024
1024
1024
1024
1025
1025
1025
1026
1026
1026
1025
1025
1025
1024
1024
1024
1024
1024
1024
1024
1025
1025
1026

Ozone (du)

362
360
361
360
359
359
359
359
358
358
357
356
356
356
355
354
354
354
353
352
352
350
348
347

Thursday 20

Waxing Gibbous 63%

13:09

02:29

00 Good
01 Good
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
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

Sun - Rise: 05:20, Set: 20:13, Transit: 12:47. Moon - Rise: 13:09, Set: 02:29. Civil Dark: 20:46 - 04:47. Nautical Dark: 21:29 - 04:04. Astro Dark: 22:18 - 03:15

Total Clouds (% Sky Obscured)

2
2
81
81
81
81
81
81
99
99
99
99
99
99
100
100
100
100
100
100
100
100
100
100

Low 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

Medium Clouds (% Sky Obscured)

2
2
2
2
2
2
2
2
0
0
0
0
0
0
10
10
10
10
10
10
100
100
100
100

High Clouds (% Sky Obscured)

0
0
81
81
81
81
81
81
99
99
99
99
99
99
100
100
100
100
100
100
100
100
100
100

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
0
0
0
0
0
0
0
0

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
2
0
0
0
0
0
0
0
0
0
0
1
1
0
0
0
2
2
2
0
0
0

Precipitation Amount (mm)

0
0
0.01
0
0
0
0
0
0
0
0
0
0
0.01
0.01
0
0
0
0.02
0.04
0.01
0
0
0

Wind Speed/Direction (mph)

4
3
3
3
3
3
2
2
2
2
3
3
3
3
3
4
3
4
3
3
2
2
2
3

Chance of Frost

Temperature (°C)

17
16
15
15
14
13
14
16
19
21
23
25
26
27
28
28
27
26
26
24
21
20
19
18

Feels Like (°C)

17
16
15
15
14
13
14
16
19
21
23
25
26
27
28
28
27
26
26
24
21
20
19
18

Dew Point (°C)

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

Relative Humidity (%)

76
78
79
85
87
89
91
89
83
76
66
58
52
47
41
42
47
49
56
64
73
78
79
81

Pressure (mb)

1026
1026
1026
1026
1026
1026
1027
1027
1028
1028
1028
1028
1027
1026
1026
1026
1025
1025
1025
1026
1026
1027
1027
1028

Ozone (du)

346
346
346
347
347
348
347
345
346
347
346
344
343
342
343
343
344
344
343
342
337
335
334
333

Friday 21

Waxing Gibbous 74%

14:21

02:56

00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
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

Sun - Rise: 05:19, Set: 20:14, Transit: 12:47. Moon - Rise: 14:21, Set: 02:56. Civil Dark: 20:47 - 04:46. Nautical Dark: 21:30 - 04:03. Astro Dark: 22:20 - 03:13

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
2
2
2
2
2
2
6
6
6
6
6
6
71
71
71
71
71
71
100
100
100
100

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
79
79
79
79
79
79
94
94
94
94

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
99
99
99
99
99
100
100
100
100

ISS Passover

Visibility (miles)

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

Fog (%)

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 Type

None
None
None
None
None
None
None
None
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

Precipitation Probability (%)

0
0
1
2
0
3
0
0
6
11
15
17
18
16
7
7
7
8
10
12
15
14
14
13

Precipitation Amount (mm)

0
0
0.01
0.02
0
0.01
0
0
0.03
0.08
0.2
0.3
0.37
0.34
0.19
0.2
0.25
0.28
0.27
0.23
0.19
0.15
0.12
0.1

Wind Speed/Direction (mph)

3
3
3
3
2
2
2
2
2
2
2
2
3
3
3
3
3
3
3
3
2
2
2
2

Chance of Frost

Temperature (°C)

17
16
15
14
13
13
13
15
16
18
20
21
22
22
27
27
27
26
25
25
23
22
21
21

Feels Like (°C)

17
16
15
14
13
13
13
15
16
18
20
21
22
23
27
28
27
26
25
25
23
23
22
21

Dew Point (°C)

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

Relative Humidity (%)

83
84
87
89
92
95
98
98
96
89
83
79
75
71
50
47
46
48
54
61
68
73
76
80

Pressure (mb)

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

Ozone (du)

332
331
333
333
334
334
335
335
336
335
335
334
333
333
333
333
333
333
335
337
338
339
339
340

Saturday 22

Waxing Gibbous 84%

15:35

03:21

00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
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

Sun - Rise: 05:19, Set: 20:15, Transit: 12:47. Moon - Rise: 15:35, Set: 03:21. Civil Dark: 20:48 - 04:45. Nautical Dark: 21:31 - 04:02. Astro Dark: 22:22 - 03:12

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
84
84
84
84
84
84
88
88
88
88
88
88
97
97
97
97

Low Clouds (% Sky Obscured)

100
100
52
52
52
52
52
52
78
78
78
78
78
78
33
33
33
33
33
33
60
60
60
60

Medium Clouds (% Sky Obscured)

94
94
98
98
98
98
98
98
32
32
32
32
32
32
54
54
54
54
54
54
25
25
25
25

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
52
52
52
52
52
52
78
78
78
78
78
78
90
90
90
90

ISS Passover

Visibility (miles)

9
10
9
7
5
3
2
2
2
5
9
10
10
8
7
7
9
10
10
10
10
10
10
10

Fog (%)

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 Type

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

Precipitation Probability (%)

11
8
7
6
5
6
7
9
11
10
6
6
7
7
8
9
13
18
25
35
35
27
15
6

Precipitation Amount (mm)

0.09
0.08
0.08
0.06
0.04
0.04
0.04
0.06
0.09
0.13
0.16
0.19
0.19
0.17
0.17
0.24
0.35
0.43
0.43
0.39
0.33
0.2
0.07
0.02

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

20
20
19
19
19
19
19
20
21
22
24
25
26
27
28
28
29
28
26
23
21
20
20
20

Feels Like (°C)

20
20
20
19
19
19
20
21
22
23
24
25
26
28
29
30
30
30
26
24
22
21
21
20

Dew Point (°C)

17
17
17
17
17
17
18
20
20
21
21
21
21
21
20
20
20
20
21
22
21
20
20
20

Relative Humidity (%)

82
83
84
86
88
91
95
97
95
91
84
78
74
70
65
62
60
63
75
91
100
100
100
100

Pressure (mb)

1022
1022
1021
1021
1021
1021
1020
1020
1020
1020
1019
1019
1018
1017
1017
1016
1015
1015
1015
1016
1017
1017
1017
1017

Ozone (du)

341
343
344
345
344
344
343
342
341
341
340
340
340
340
341
341
341
341
341
340
340
339
338
336

Sunday 23

Waxing Gibbous 92%

16:52

03:46

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

Sun - Rise: 05:18, Set: 20:16, Transit: 12:47. Moon - Rise: 16:52, Set: 03:46. Civil Dark: 20:50 - 04:44. Nautical Dark: 21:33 - 04:01. Astro Dark: 22:23 - 03:10

Total Clouds (% Sky Obscured)

97
97
77
77
77
77
77
77
100
100
100
100
100
100
58
58
58
58
58
58
16
16
16
16

Low Clouds (% Sky Obscured)

60
60
72
72
72
72
72
72
100
100
100
100
100
100
44
44
44
44
44
44
7
7
7
7

Medium Clouds (% Sky Obscured)

25
25
31
31
31
31
31
31
13
13
13
13
13
13
32
32
32
32
32
32
13
13
13
13

High Clouds (% Sky Obscured)

90
90
0
0
0
0
0
0
91
91
91
91
91
91
16
16
16
16
16
16
0
0
0
0

ISS Passover

Visibility (miles)

10
10
10
10
8
7
8
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
0
0
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

4
3
2
2
2
2
2
2
2
2
2
2
2
2
3
3
3
3
4
6
8
7
4
2

Precipitation Amount (mm)

0.01
0.02
0.03
0.03
0.03
0.03
0.02
0.01
0.01
0.01
0.02
0.03
0.03
0.04
0.04
0.04
0.04
0.04
0.03
0.04
0.05
0.03
0.01
0.02

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

19
19
19
19
19
18
18
18
19
19
20
21
22
23
25
26
26
26
25
25
24
23
22
21

Feels Like (°C)

20
20
20
20
19
19
19
19
20
20
21
22
23
24
25
26
28
27
26
25
24
24
23
22

Dew Point (°C)

19
19
19
19
19
18
18
18
19
19
20
21
22
22
22
22
22
22
22
22
22
22
22
21

Relative Humidity (%)

100
100
100
100
100
100
100
100
100
100
100
100
100
93
86
81
79
79
82
86
89
94
99
100

Pressure (mb)

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

Ozone (du)

332
327
323
321
320
319
317
315
314
312
310
308
307
305
304
303
302
301
299
297
297
300
304
307

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

Generated: 17/05/21 00:00:13. Forecast: 17/05/21 to 23/05/21. Timezone: UTC-4.00