Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 17

Waxing Crescent 29%

09:36

02:46

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 OK
22 Bad
23 Bad
00 Bad
01 OK
02 OK
03 Bad
04 Bad
05 Bad

Sun - Rise: 05:38, Set: 21:31, Transit: 13:35. Moon - Rise: 09:36, Set: 02:46. Civil Dark: 22:14 - 04:55. Nautical Dark: 23:15 - 03:54. Astro Dark: 01:08 - 01:45

Total Clouds (% Sky Obscured)

66
78
100
100
85
88
99
95
63
73
46
36
32
61
48
38
93
68
55
23
19
48
59
94

Low Clouds (% Sky Obscured)

48
64
100
100
83
84
98
92
34
25
42
29
32
61
48
38
93
68
51
12
10
24
33
85

Medium Clouds (% Sky Obscured)

38
59
100
83
47
37
17
11
19
23
18
15
8
0
0
1
0
2
5
8
10
41
51
64

High Clouds (% Sky Obscured)

33
27
45
75
21
15
47
46
43
63
4
8
0
0
0
0
0
0
6
10
9
10
19
59

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
9
9
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

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

Precipitation Probability (%)

27
27
27
47
61
64
65
70
70
66
62
50
39
26
12
6
0
0
0
0
22
24
40
59

Precipitation Amount (mm)

0.07
0.06
0.06
0.19
0.35
0.42
0.46
0.65
0.67
0.48
0.37
0.27
0.17
0.15
0.07
0.01
0
0
0
0
0.08
0.08
0.16
0.33

Wind Speed/Direction (mph)

8
8
8
8
8
7
7
7
6
7
10
11
12
11
9
8
6
6
5
4
3
4
3
3

Chance of Frost

Temperature (°C)

9
9
10
10
11
11
12
12
12
12
12
13
12
13
12
11
9
9
8
7
7
7
8
8

Feels Like (°C)

7
8
8
10
11
11
12
12
12
12
12
13
12
13
12
11
8
7
7
7
7
7
7
8

Dew Point (°C)

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

Relative Humidity (%)

96
98
98
99
99
98
98
97
98
96
95
92
90
82
80
83
87
88
88
90
92
92
92
93

Pressure (mb)

1001
1001
1001
1001
1001
1001
1002
1002
1002
1002
1003
1004
1005
1005
1006
1007
1008
1009
1009
1009
1008
1008
1008
1008

Ozone (du)

393
394
398
399
397
395
394
392
395
391
387
386
388
389
390
390
391
390
387
383
381
383
386
388

Tuesday 18

Waxing Crescent 39%

10:46

03:14

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 OK
23 OK
00 Bad
01 Bad
02 OK
03 OK
04 Bad
05 Bad

Sun - Rise: 05:37, Set: 21:32, Transit: 13:35. Moon - Rise: 10:46, Set: 03:14. Civil Dark: 22:16 - 04:53. Nautical Dark: 23:17 - 03:51. Astro Dark: 01:26 - N/A

Total Clouds (% Sky Obscured)

95
100
99
98
96
98
88
83
92
75
79
64
74
93
95
63
30
21
33
79
20
13
91
45

Low Clouds (% Sky Obscured)

80
98
98
91
56
77
66
67
88
17
53
13
23
19
4
0
3
5
0
3
2
9
6
13

Medium Clouds (% Sky Obscured)

63
84
90
84
84
76
41
32
17
52
30
31
15
2
1
2
4
5
3
2
7
4
17
14

High Clouds (% Sky Obscured)

84
90
90
91
88
91
72
50
53
60
59
51
66
91
95
63
27
16
32
78
13
3
88
32

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
8
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

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

Precipitation Probability (%)

61
55
50
58
68
64
54
51
45
24
10
7
8
9
4
5
13
23
24
20
6
0
0
6

Precipitation Amount (mm)

0.37
0.3
0.2
0.29
0.53
0.59
0.5
0.42
0.45
0.28
0.12
0.08
0.07
0.07
0.02
0.02
0.05
0.08
0.08
0.07
0.01
0
0
0.01

Wind Speed/Direction (mph)

3
3
4
6
7
9
10
11
12
12
13
13
12
11
10
8
7
6
6
7
6
6
6
7

Chance of Frost

Temperature (°C)

9
9
9
10
11
12
12
13
13
14
14
15
14
14
13
12
10
9
9
8
8
8
8
8

Feels Like (°C)

9
9
9
10
11
12
12
13
13
14
14
15
14
14
13
12
8
8
7
6
6
6
6
6

Dew Point (°C)

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

Relative Humidity (%)

96
98
97
98
95
89
85
83
80
71
67
66
66
68
71
78
86
91
92
92
92
93
94
95

Pressure (mb)

1008
1009
1009
1009
1010
1010
1011
1011
1011
1012
1012
1012
1013
1013
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014

Ozone (du)

390
391
386
386
386
387
387
387
386
387
387
387
386
386
382
383
383
384
385
387
386
386
385
384

Wednesday 19

First Quarter 50%

12:02

03:36

06 OK
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
00 Bad
01 Bad
02 Good
03 Good
04 Good
05 Good

Sun - Rise: 05:36, Set: 21:34, Transit: 13:35. Moon - Rise: 12:02, Set: 03:36. Civil Dark: 22:18 - 04:52. Nautical Dark: 23:20 - 03:49. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

34
97
100
100
95
99
99
98
97
86
91
96
95
97
92
92
92
92
92
92
0
0
0
0

Low Clouds (% Sky Obscured)

20
71
98
99
47
14
22
45
52
54
41
53
24
34
46
46
46
46
46
46
0
0
0
0

Medium Clouds (% Sky Obscured)

16
47
68
52
59
34
34
40
56
63
45
37
32
87
44
44
44
44
44
44
0
0
0
0

High Clouds (% Sky Obscured)

13
83
99
91
90
98
98
97
95
56
81
91
94
90
86
86
86
86
86
86
0
0
0
0

ISS Passover

Visibility (miles)

10
10
10
10
10
9
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

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

Precipitation Probability (%)

11
11
25
46
71
66
48
17
23
23
23
25
14
12
7
4
3
0
0
3
3
0
0
0

Precipitation Amount (mm)

0.03
0.03
0.09
0.2
0.55
0.56
0.45
0.2
0.28
0.26
0.22
0.21
0.08
0.06
0.05
0.02
0.01
0
0
0.01
0.01
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

8
9
10
11
11
13
13
14
15
15
14
14
13
13
13
11
10
9
8
8
8
7
6
6

Feels Like (°C)

6
7
8
11
11
13
13
14
15
15
14
14
13
13
13
11
8
7
7
7
6
5
5
5

Dew Point (°C)

8
8
9
10
11
11
11
10
9
9
8
8
8
8
8
8
8
7
7
7
7
6
6
6

Relative Humidity (%)

97
98
98
98
96
92
87
76
70
66
67
70
71
72
74
80
86
90
92
92
92
97
98
99

Pressure (mb)

1014
1015
1015
1015
1015
1015
1016
1016
1016
1016
1016
1016
1017
1017
1017
1018
1019
1019
1019
1020
1019
1021
1021
1021

Ozone (du)

385
385
389
390
389
390
390
389
386
386
386
386
385
384
381
379
378
376
375
372
372
370
369
368

Thursday 20

Waxing Gibbous 61%

13:21

03:54

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

Sun - Rise: 05:34, Set: 21:35, Transit: 13:35. Moon - Rise: 13:21, Set: 03:54. Civil Dark: 22:19 - 04:50. Nautical Dark: 23:22 - 03:47. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

0
0
97
97
97
97
97
97
60
60
60
60
60
60
99
99
99
99
99
99
99
99
99
99

Low Clouds (% Sky Obscured)

0
0
97
97
97
97
97
97
35
35
35
35
35
35
2
2
2
2
2
2
2
2
2
2

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
59
59
59
59
59
59
95
95
95
95
95
95
69
69
69
69

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
98
98
98
98
98
98
99
99
99
99

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

Precipitation Probability (%)

0
7
0
0
5
7
10
17
4
4
6
10
9
9
0
0
0
0
0
0
3
3
7
8

Precipitation Amount (mm)

0
0.01
0
0
0.04
0.06
0.14
0.27
0.08
0.09
0.16
0.22
0.24
0.23
0
0
0
0
0
0
0.02
0.03
0.06
0.09

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

6
7
9
10
12
13
13
14
15
15
16
15
15
15
15
13
12
10
10
10
10
10
10
10

Feels Like (°C)

5
6
7
10
12
13
13
14
15
15
16
15
15
15
15
13
12
10
10
8
8
8
8
8

Dew Point (°C)

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

Relative Humidity (%)

100
98
98
94
85
82
75
69
63
59
57
58
59
62
58
64
70
75
77
81
85
88
91
93

Pressure (mb)

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

Ozone (du)

369
370
363
362
363
365
365
360
356
357
359
360
363
364
349
346
345
343
342
342
341
340
340
340

Friday 21

Waxing Gibbous 72%

14:43

04:10

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
00 Bad
01 OK
02 Bad
03 Bad
04 Bad
05 Bad

Sun - Rise: 05:33, Set: 21:37, Transit: 13:36. Moon - Rise: 14:43, Set: 04:10. Civil Dark: 22:21 - 04:49. Nautical Dark: 23:25 - 03:44. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

99
99
100
100
100
100
100
100
49
49
49
49
49
49
42
42
42
42
42
42
100
100
100
100

Low Clouds (% Sky Obscured)

2
2
98
98
98
98
98
98
38
38
38
38
38
38
23
23
23
23
23
23
100
100
100
100

Medium Clouds (% Sky Obscured)

69
69
100
100
100
100
100
100
36
36
36
36
36
36
17
17
17
17
17
17
95
95
95
95

High Clouds (% Sky Obscured)

99
99
55
55
55
55
55
55
0
0
0
0
0
0
22
22
22
22
22
22
66
66
66
66

ISS Passover

Visibility (miles)

10
10
10
10
10
9
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
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
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
Very Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

5
4
0
3
4
11
23
22
12
22
33
43
31
33
37
28
15
6
0
0
0
10
31
47

Precipitation Amount (mm)

0.06
0.04
0
0.01
0.02
0.09
0.17
0.19
0.15
0.32
0.38
0.39
0.25
0.32
0.46
0.28
0.07
0.01
0
0
0
0.02
0.12
0.23

Wind Speed/Direction (mph)

8
9
9
10
11
13
13
13
14
14
13
13
13
12
14
13
13
12
13
14
15
17
18
19

Chance of Frost

Temperature (°C)

9
10
11
12
13
13
14
14
16
16
15
13
12
12
13
13
12
11
11
11
11
11
10
10

Feels Like (°C)

7
10
11
12
13
13
14
14
16
16
15
13
12
12
13
13
12
11
11
11
11
11
10
10

Dew Point (°C)

9
9
9
9
9
10
9
9
9
10
10
10
10
11
11
11
10
9
9
9
8
9
9
10

Relative Humidity (%)

95
92
86
80
76
78
75
71
63
65
76
85
90
90
90
90
89
89
88
86
85
87
91
95

Pressure (mb)

1015
1014
1015
1014
1013
1012
1012
1011
1010
1009
1009
1008
1007
1006
1005
1005
1004
1004
1004
1004
1003
1003
1002
1002

Ozone (du)

340
341
345
347
347
351
354
355
359
359
360
364
366
365
363
362
362
361
361
361
361
362
364
365

Saturday 22

Waxing Gibbous 82%

16:06

04:26

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
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad

Sun - Rise: 05:32, Set: 21:38, Transit: 13:36. Moon - Rise: 16:06, Set: 04:26. Civil Dark: 22:23 - 04:47. Nautical Dark: 23:27 - 03:42. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
98
98
98
98
98
98
50
50
50
50
50
50
48
48
48
48

Low Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
96
96
96
96
96
96
30
30
30
30
30
30
36
36
36
36

Medium Clouds (% Sky Obscured)

95
95
92
92
92
92
92
92
82
82
82
82
82
82
37
37
37
37
37
37
27
27
27
27

High Clouds (% Sky Obscured)

66
66
14
14
14
14
14
14
16
16
16
16
16
16
8
8
8
8
8
8
18
18
18
18

ISS Passover

Visibility (miles)

10
9
7
9
10
10
10
10
10
10
10
10
10
9
9
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

Very Light Rain
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
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 (%)

52
52
55
61
65
64
53
35
27
42
59
72
66
42
27
25
23
20
16
16
16
16
13
11

Precipitation Amount (mm)

0.2
0.15
0.18
0.29
0.51
0.64
0.44
0.19
0.12
0.24
0.6
0.85
0.55
0.22
0.14
0.12
0.1
0.07
0.04
0.04
0.05
0.04
0.03
0.02

Wind Speed/Direction (mph)

20
20
20
21
22
23
23
24
24
24
24
24
23
22
21
21
20
19
19
18
18
18
17
17

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

10
10
10
11
11
11
11
11
11
11
11
11
11
10
11
11
10
10
10
10
10
10
10
10

Relative Humidity (%)

98
100
100
100
99
97
90
85
82
85
91
97
97
94
92
92
91
92
94
95
95
94
94
94

Pressure (mb)

1002
1002
1002
1002
1003
1003
1003
1003
1003
1003
1003
1003
1004
1004
1004
1005
1005
1006
1006
1006
1006
1006
1007
1007

Ozone (du)

366
367
368
371
376
379
380
380
380
378
376
374
373
373
373
372
372
372
371
370
369
368
368
367

Sunday 23

Waxing Gibbous 90%

17:32

04:43

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

Sun - Rise: 05:31, Set: 21:40, Transit: 13:36. Moon - Rise: 17:32, Set: 04:43. Civil Dark: 22:24 - 04:46. Nautical Dark: 23:29 - 03:40. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

48
48
97
97
97
97
97
97
30
30
30
30
30
30
99
99
99
99
99
99
100
100
100
100

Low Clouds (% Sky Obscured)

36
36
97
97
97
97
97
97
21
21
21
21
21
21
14
14
14
14
14
14
63
63
63
63

Medium Clouds (% Sky Obscured)

27
27
27
27
27
27
27
27
27
27
27
27
27
27
93
93
93
93
93
93
100
100
100
100

High Clouds (% Sky Obscured)

18
18
0
0
0
0
0
0
0
0
0
0
0
0
98
98
98
98
98
98
98
98
98
98

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

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

Precipitation Probability (%)

8
6
5
4
4
6
8
10
11
7
3
2
1
1
1
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.02
0.01
0.01
0.01
0.01
0.02
0.03
0.04
0.05
0.03
0.02
0.01
0.01
0.01
0.01
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

17
17
17
17
18
19
19
19
18
18
17
15
14
12
9
7
5
4
5
6
7
8
8
9

Chance of Frost

Temperature (°C)

10
11
11
11
12
12
12
12
13
13
14
15
15
16
16
15
13
12
11
10
9
9
8
9

Feels Like (°C)

10
11
11
11
12
12
12
12
13
13
14
15
15
16
16
15
13
12
11
8
7
7
6
6

Dew Point (°C)

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

Relative Humidity (%)

93
91
90
86
82
79
79
82
82
77
71
65
60
56
56
61
69
76
81
84
87
90
92
95

Pressure (mb)

1007
1008
1008
1008
1009
1009
1010
1010
1010
1010
1010
1010
1010
1010
1010
1011
1011
1011
1011
1011
1010
1010
1010
1009

Ozone (du)

366
365
365
365
366
366
367
369
369
370
370
370
370
370
369
369
369
370
373
376
377
376
374
372

Forecast for Hilversum, Hilversum, NL (52.22,5.15)

Generated: 17/05/21 06:04:44. Forecast: 17/05/21 to 23/05/21. Timezone: UTC+2.00