Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 17

Waxing Crescent 29%

09:35

02:48

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: 05:37, Set: 21:32, Transit: 13:36. Moon - Rise: 09:35, Set: 02:48. Civil Dark: 22:16 - 04:54. Nautical Dark: 23:18 - 03:51. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

79
77
83
100
100
95
98
95
71
55
49
27
53
75
54
87
96
100
95
95
56
43
75
81

Low Clouds (% Sky Obscured)

45
67
73
100
100
92
94
70
20
48
42
24
53
75
50
87
95
100
91
85
27
16
49
62

Medium Clouds (% Sky Obscured)

33
37
47
77
65
42
34
84
16
21
21
9
2
0
0
1
2
14
47
28
8
34
59
62

High Clouds (% Sky Obscured)

62
54
28
14
4
26
73
61
60
8
10
0
0
0
9
1
2
50
50
3
41
15
20
42

ISS Passover

Visibility (miles)

10
8
10
10
9
8
10
9
8
8
9
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
2
1

Precipitation Type

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

Precipitation Probability (%)

40
35
45
48
61
59
55
52
42
49
43
40
26
16
10
6
0
0
0
5
17
25
36
40

Precipitation Amount (mm)

0.15
0.1
0.22
0.22
0.44
0.44
0.4
0.44
0.23
0.32
0.26
0.22
0.13
0.11
0.07
0.01
0
0
0
0.01
0.06
0.14
0.21
0.2

Wind Speed/Direction (mph)

9
9
9
8
7
7
7
7
6
8
10
12
13
12
11
9
9
8
7
6
5
5
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

97
99
97
96
94
91
89
88
87
87
86
84
84
85
84
85
88
90
89
89
90
91
91
93

Pressure (mb)

1000
1000
1001
1001
1001
1001
1002
1002
1002
1002
1003
1004
1005
1005
1006
1007
1008
1008
1008
1008
1008
1008
1008
1008

Ozone (du)

398
400
403
403
401
399
397
394
395
393
390
387
387
387
389
390
390
391
391
387
382
382
384
386

Tuesday 18

Waxing Crescent 39%

10:45

03:15

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 OK
04 Bad
05 Bad

Sun - Rise: 05:36, Set: 21:34, Transit: 13:36. Moon - Rise: 10:45, Set: 03:15. Civil Dark: 22:18 - 04:52. Nautical Dark: 23:20 - 03:49. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

99
96
99
100
100
98
98
91
94
95
95
76
67
88
86
52
38
44
45
85
84
13
59
47

Low Clouds (% Sky Obscured)

97
89
96
99
100
86
81
67
38
38
52
52
17
5
0
0
2
5
0
6
16
10
9
9

Medium Clouds (% Sky Obscured)

76
88
76
76
68
42
23
26
26
34
31
27
2
0
0
2
5
5
1
3
14
8
3
10

High Clouds (% Sky Obscured)

63
64
86
93
93
90
88
86
90
91
87
60
63
88
86
52
36
41
45
84
81
1
54
39

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 (%)

2
1
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
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
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
Very Light Rain

Precipitation Probability (%)

24
16
19
24
24
27
19
24
21
12
7
6
6
5
3
3
10
24
32
37
6
4
4
7

Precipitation Amount (mm)

0.1
0.06
0.06
0.11
0.14
0.2
0.15
0.19
0.17
0.12
0.07
0.06
0.04
0.04
0.01
0.02
0.05
0.1
0.16
0.23
0.01
0.01
0.01
0.02

Wind Speed/Direction (mph)

3
4
6
7
9
10
12
13
13
14
14
14
14
13
12
10
8
7
7
8
7
8
8
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

8
8
8
10
11
12
12
12
12
13
13
13
13
12
12
11
10
8
7
7
6
6
6
6

Dew Point (°C)

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

Relative Humidity (%)

95
95
95
92
89
86
84
84
83
78
75
74
74
75
77
83
88
93
94
93
93
94
96
99

Pressure (mb)

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

Ozone (du)

389
390
385
385
385
386
387
388
388
388
388
388
387
387
384
384
384
385
386
388
386
386
385
385

Wednesday 19

First Quarter 50%

12:01

03:37

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 OK
03 OK
04 OK
05 OK

Sun - Rise: 05:35, Set: 21:35, Transit: 13:36. Moon - Rise: 12:01, Set: 03:37. Civil Dark: 22:20 - 04:50. Nautical Dark: 23:23 - 03:47. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

17
69
99
98
99
98
99
98
98
95
88
95
93
91
87
87
87
87
87
87
22
22
22
22

Low Clouds (% Sky Obscured)

9
31
34
36
89
70
70
38
43
43
31
73
18
38
59
59
59
59
59
59
22
22
22
22

Medium Clouds (% Sky Obscured)

14
48
90
48
76
70
77
48
63
60
52
31
47
35
26
26
26
26
26
26
0
0
0
0

High Clouds (% Sky Obscured)

0
49
98
95
88
88
98
97
98
88
73
88
88
84
76
76
76
76
76
76
0
0
0
0

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

16
15
22
62
64
52
37
24
11
7
12
14
9
8
8
6
6
5
5
5
4
2
1
0

Precipitation Amount (mm)

0.05
0.05
0.08
0.39
0.71
0.56
0.44
0.48
0.2
0.09
0.13
0.16
0.09
0.07
0.1
0.11
0.11
0.11
0.08
0.08
0.04
0.01
0.01
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

9
9
10
10
10
10
10
9
9
9
8
8
8
8
8
8
8
9
8
8
8
8
8
8

Relative Humidity (%)

100
100
99
95
93
88
84
78
73
72
73
74
74
76
79
84
89
93
95
94
93
94
94
96

Pressure (mb)

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

Ozone (du)

385
385
388
388
388
388
388
388
385
385
385
384
383
382
379
378
377
377
375
373
372
371
369
369

Thursday 20

Waxing Gibbous 61%

13:21

03:55

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

Sun - Rise: 05:33, Set: 21:37, Transit: 13:36. Moon - Rise: 13:21, Set: 03:55. Civil Dark: 22:21 - 04:49. Nautical Dark: 23:25 - 03:44. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

22
22
15
15
15
15
15
15
38
38
38
38
38
38
100
100
100
100
100
100
99
99
99
99

Low Clouds (% Sky Obscured)

22
22
15
15
15
15
15
15
25
25
25
25
25
25
1
1
1
1
1
1
11
11
11
11

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
34
34
34
34
34
34
100
100
100
100
100
100
84
84
84
84

High Clouds (% Sky Obscured)

0
0
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

None
None
None
None
None
None
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
None
Very Light Rain

Precipitation Probability (%)

0
5
0
3
4
3
6
12
3
3
7
10
11
12
0
0
0
0
0
0
3
4
5
7

Precipitation Amount (mm)

0
0.01
0
0.01
0.03
0.04
0.11
0.24
0.06
0.1
0.19
0.28
0.31
0.3
0
0
0
0
0
0
0.02
0.03
0.08
0.15

Wind Speed/Direction (mph)

7
7
7
9
11
12
12
13
13
13
14
14
13
13
9
8
8
8
9
11
11
11
11
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

8
8
9
9
9
9
8
8
7
7
8
8
8
8
7
7
7
8
8
8
8
8
9
9

Relative Humidity (%)

98
98
95
90
83
79
75
75
72
66
66
67
68
70
65
70
74
78
78
79
83
86
90
94

Pressure (mb)

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

Ozone (du)

371
372
364
363
364
365
365
360
356
356
357
359
361
363
349
346
345
344
343
342
342
341
341
343

Friday 21

Waxing Gibbous 72%

14:42

04:11

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

Sun - Rise: 05:32, Set: 21:38, Transit: 13:36. Moon - Rise: 14:42, Set: 04:11. Civil Dark: 22:23 - 04:47. Nautical Dark: 23:28 - 03:42. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

99
99
100
100
100
100
100
100
37
37
37
37
37
37
25
25
25
25
25
25
100
100
100
100

Low Clouds (% Sky Obscured)

11
11
100
100
100
100
100
100
21
21
21
21
21
21
7
7
7
7
7
7
100
100
100
100

Medium Clouds (% Sky Obscured)

84
84
100
100
100
100
100
100
32
32
32
32
32
32
6
6
6
6
6
6
94
94
94
94

High Clouds (% Sky Obscured)

98
98
41
41
41
41
41
41
0
0
0
0
0
0
19
19
19
19
19
19
51
51
51
51

ISS Passover

Visibility (miles)

10
10
10
10
10
6
10
9
10
9
9
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
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
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
Very Light Rain
Very Light Rain
Light Rain

Precipitation Probability (%)

7
13
10
7
8
15
28
24
14
22
34
35
27
43
51
48
26
5
0
0
0
21
51
63

Precipitation Amount (mm)

0.16
0.14
0.09
0.06
0.06
0.11
0.23
0.26
0.21
0.35
0.68
0.51
0.34
0.68
1.25
0.78
0.18
0.01
0
0
0
0.07
0.4
0.73

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

10
10
9
9
9
9
9
10
9
10
10
10
10
10
11
10
10
10
9
9
9
9
10
10

Relative Humidity (%)

95
94
90
86
82
79
79
76
66
65
70
76
82
87
89
89
88
88
88
88
89
91
95
99

Pressure (mb)

1014
1013
1014
1014
1013
1012
1011
1011
1010
1009
1008
1008
1007
1006
1005
1004
1004
1004
1003
1003
1002
1002
1002
1001

Ozone (du)

343
345
348
349
349
352
355
356
359
360
360
363
366
364
363
362
361
360
360
360
361
362
364
365

Saturday 22

Waxing Gibbous 82%

16:06

04:27

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: 05:31, Set: 21:40, Transit: 13:36. Moon - Rise: 16:06, Set: 04:27. Civil Dark: 22:25 - 04:46. Nautical Dark: 23:30 - 03:40. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
100
99
99
99
99
99
99
100
100
100
100
100
100
56
56
56
56
56
56
48
48
48
48

Low Clouds (% Sky Obscured)

100
100
99
99
99
99
99
99
100
100
100
100
100
100
20
20
20
20
20
20
33
33
33
33

Medium Clouds (% Sky Obscured)

94
94
95
95
95
95
95
95
98
98
98
98
98
98
48
48
48
48
48
48
38
38
38
38

High Clouds (% Sky Obscured)

51
51
2
2
2
2
2
2
0
0
0
0
0
0
15
15
15
15
15
15
8
8
8
8

ISS Passover

Visibility (miles)

10
10
9
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

Light Rain
Very Light Rain
Very Light Rain
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 (%)

64
60
59
65
70
72
67
57
45
56
69
74
67
39
21
17
14
12
16
30
40
36
25
20

Precipitation Amount (mm)

0.6
0.35
0.29
0.5
0.9
1.15
0.81
0.36
0.18
0.28
0.61
0.82
0.55
0.21
0.08
0.05
0.04
0.03
0.04
0.1
0.16
0.12
0.07
0.05

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

10
10
10
11
11
11
11
11
12
12
11
11
11
11
12
12
12
11
11
11
11
11
11
10

Feels Like (°C)

10
10
10
11
11
11
11
11
12
12
11
11
11
11
12
12
12
11
11
11
11
11
11
10

Dew Point (°C)

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

Relative Humidity (%)

100
100
99
100
100
100
100
97
96
96
97
98
97
94
94
94
93
94
97
100
100
100
99
98

Pressure (mb)

1001
1001
1001
1001
1001
1002
1002
1002
1002
1002
1002
1002
1003
1003
1003
1004
1004
1005
1005
1005
1006
1006
1006
1006

Ozone (du)

365
365
365
368
371
374
376
378
378
376
374
372
371
370
370
370
370
370
370
369
368
367
366
365

Sunday 23

Waxing Gibbous 90%

17:33

04:43

06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
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: 05:30, Set: 21:41, Transit: 13:36. Moon - Rise: 17:33, Set: 04:43. Civil Dark: 22:26 - 04:44. Nautical Dark: 23:33 - 03:37. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

48
48
99
99
99
99
99
99
41
41
41
41
41
41
99
99
99
99
99
99
100
100
100
100

Low Clouds (% Sky Obscured)

33
33
99
99
99
99
99
99
25
25
25
25
25
25
13
13
13
13
13
13
98
98
98
98

Medium Clouds (% Sky Obscured)

38
38
48
48
48
48
48
48
34
34
34
34
34
34
95
95
95
95
95
95
100
100
100
100

High Clouds (% Sky Obscured)

8
8
0
0
0
0
0
0
0
0
0
0
0
0
98
98
98
98
98
98
96
96
96
96

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
None
None
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 (%)

15
7
5
4
0
0
4
6
8
6
3
2
2
2
2
1
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

19
19
19
19
20
20
20
20
20
20
19
17
16
14
12
10
8
6
6
7
9
10
11
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

10
10
10
11
11
12
12
12
12
12
13
13
14
14
14
14
13
12
11
11
10
8
8
10

Dew Point (°C)

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

Relative Humidity (%)

97
95
93
92
89
86
86
85
84
81
77
74
71
68
69
73
79
84
89
92
94
96
97
99

Pressure (mb)

1006
1007
1007
1008
1008
1009
1009
1009
1010
1010
1010
1010
1010
1010
1010
1010
1011
1011
1011
1010
1010
1010
1009
1009

Ozone (du)

365
365
366
365
365
365
367
368
369
370
370
370
370
370
371
371
371
372
374
376
376
374
371
368

Forecast for Netherlands (52.47,5.07)

Generated: 17/05/21 06:38:25. Forecast: 17/05/21 to 23/05/21. Timezone: UTC+2.00