Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 17

Waxing Crescent 29%

09:43

02:45

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 OK
19 OK
20 OK
21 Good
22 OK
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad

Sun - Rise: 05:45, Set: 21:31, Transit: 13:38. Moon - Rise: 09:43, Set: 02:45. Civil Dark: 22:13 - 05:03. Nautical Dark: 23:11 - 04:02. Astro Dark: 00:46 - 02:23

Total Clouds (% Sky Obscured)

89
97
98
93
99
98
95
86
56
60
32
33
38
24
32
19
6
28
95
96
81
95
98
98

Low Clouds (% Sky Obscured)

34
94
96
87
95
97
94
84
22
43
30
33
38
24
13
5
0
3
15
23
40
88
96
89

Medium Clouds (% Sky Obscured)

59
90
63
69
97
83
51
26
8
20
15
2
0
0
1
9
2
6
53
79
59
66
82
86

High Clouds (% Sky Obscured)

68
27
41
45
46
2
4
13
45
16
0
0
0
1
25
14
5
24
94
93
62
52
80
74

ISS Passover

Visibility (miles)

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

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
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
Light Rain
Very Light Rain
Light Rain

Precipitation Probability (%)

23
29
33
38
57
51
46
60
63
63
52
48
31
17
14
12
6
12
16
22
48
61
53
63

Precipitation Amount (mm)

0.04
0.07
0.11
0.15
0.39
0.23
0.18
0.42
0.54
0.5
0.29
0.23
0.15
0.08
0.08
0.04
0.01
0.03
0.06
0.09
0.32
0.45
0.36
0.53

Wind Speed/Direction (mph)

12
12
13
13
12
11
10
10
13
15
16
17
16
15
12
9
7
5
4
5
6
8
8
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
95
96
96
98
99
98
96
95
96
94
92
91
87
81
81
85
89
90
92
94
95
96
97

Pressure (mb)

1000
1001
1001
1001
1001
1001
1001
1002
1003
1003
1004
1004
1005
1006
1007
1007
1008
1008
1009
1009
1009
1008
1008
1008

Ozone (du)

395
396
396
399
396
392
391
388
384
388
390
390
390
390
392
388
385
382
383
386
387
387
388
389

Tuesday 18

Waxing Crescent 39%

10:52

03:13

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

Sun - Rise: 05:44, Set: 21:32, Transit: 13:38. Moon - Rise: 10:52, Set: 03:13. Civil Dark: 22:14 - 05:01. Nautical Dark: 23:14 - 04:00. Astro Dark: 00:53 - 02:15

Total Clouds (% Sky Obscured)

97
100
98
95
95
95
92
71
45
31
21
43
64
52
41
22
27
16
58
31
15
34
93
39

Low Clouds (% Sky Obscured)

84
100
65
36
79
89
87
41
33
20
13
14
13
6
0
0
0
2
3
5
5
5
6
9

Medium Clouds (% Sky Obscured)

70
82
90
59
60
61
56
47
28
25
9
8
0
0
0
0
0
4
6
7
12
13
6
10

High Clouds (% Sky Obscured)

79
93
95
91
85
79
45
48
13
1
8
34
60
50
41
22
26
14
56
27
1
23
93
32

ISS Passover

Visibility (miles)

8
9
9
8
7
10
9
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
Very Light Rain
Light Rain
Very Light Rain
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
None
None

Precipitation Probability (%)

64
60
58
57
63
50
48
26
22
14
5
7
9
9
8
10
10
11
16
18
14
6
0
0

Precipitation Amount (mm)

0.5
0.38
0.31
0.3
0.45
0.24
0.29
0.22
0.23
0.16
0.06
0.06
0.06
0.05
0.04
0.04
0.03
0.03
0.03
0.04
0.03
0.01
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

97
99
98
98
97
94
91
84
77
71
68
66
66
66
68
74
81
86
91
93
94
95
95
95

Pressure (mb)

1008
1009
1009
1010
1010
1011
1011
1012
1012
1012
1013
1013
1013
1014
1014
1014
1015
1015
1015
1015
1015
1015
1015
1015

Ozone (du)

390
392
392
387
386
387
386
386
387
389
389
389
388
388
386
382
382
382
383
385
386
385
385
387

Wednesday 19

First Quarter 50%

12:07

03:36

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
00 OK
01 OK
02 Good
03 Good
04 Good

Sun - Rise: 05:42, Set: 21:33, Transit: 13:38. Moon - Rise: 12:07, Set: 03:36. Civil Dark: 22:16 - 04:58. Nautical Dark: 23:16 - 03:58. Astro Dark: 01:01 - 02:05

Total Clouds (% Sky Obscured)

83
100
98
98
100
100
99
96
87
85
93
70
69
72
69
32
32
32
32
32
32
2
2
2

Low Clouds (% Sky Obscured)

23
100
95
15
47
100
98
92
51
45
43
39
41
31
17
11
11
11
11
11
11
2
2
2

Medium Clouds (% Sky Obscured)

45
48
79
58
91
94
78
60
44
40
57
40
48
56
38
2
2
2
2
2
2
0
0
0

High Clouds (% Sky Obscured)

71
98
88
96
98
98
96
66
67
70
86
48
32
45
59
27
27
27
27
27
27
0
0
0

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
9
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
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
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
7
8
24
28
35
26
32
31
37
40
38
36
27
15
9
5
4
0
0
0
4
4
0

Precipitation Amount (mm)

0
0.01
0.02
0.08
0.11
0.16
0.15
0.25
0.35
0.47
0.4
0.31
0.29
0.17
0.08
0.07
0.02
0.01
0
0
0
0.01
0.01
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
97
98
98
96
92
87
81
76
78
82
86
86
84
81
83
86
88
90
92
93
96
100
100

Pressure (mb)

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

Ozone (du)

388
389
389
393
393
393
392
391
390
390
390
389
388
388
388
385
382
379
376
373
371
370
368
368

Thursday 20

Waxing Gibbous 61%

13:26

03:55

05 Good
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

Sun - Rise: 05:41, Set: 21:35, Transit: 13:38. Moon - Rise: 13:26, Set: 03:55. Civil Dark: 22:18 - 04:57. Nautical Dark: 23:18 - 03:56. Astro Dark: 01:10 - 01:51

Total Clouds (% Sky Obscured)

2
2
2
89
89
89
89
89
89
91
91
91
91
91
91
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

2
2
2
89
89
89
89
89
89
44
44
44
44
44
44
10
10
10
10
10
10
9
9
9

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
41
41
41
41
41
41
100
100
100
100
100
100
99
99
99

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
81
81
81
81
81
81
100
100
100
100
100
100
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
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
None
None
None
None

Precipitation Probability (%)

0
0
0
0
4
12
16
18
16
12
7
4
3
3
5
0
0
0
0
0
0
2
2
0

Precipitation Amount (mm)

0
0
0
0
0.01
0.08
0.14
0.18
0.21
0.18
0.11
0.06
0.04
0.06
0.1
0
0
0
0
0
0
0.01
0.01
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

8
8
9
10
11
12
12
13
14
14
16
16
17
16
16
15
14
12
11
10
10
10
10
10

Feels Like (°C)

6
6
7
8
11
12
12
13
14
14
16
16
17
16
16
15
14
12
11
10
10
10
10
10

Dew Point (°C)

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

Relative Humidity (%)

100
100
100
99
95
91
87
82
76
71
64
61
58
59
61
66
72
78
83
87
89
90
89
89

Pressure (mb)

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

Ozone (du)

368
369
368
361
363
364
365
364
364
360
361
364
365
365
363
346
344
342
341
340
339
338
337
336

Friday 21

Waxing Gibbous 72%

14:46

04:12

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

Sun - Rise: 05:40, Set: 21:36, Transit: 13:38. Moon - Rise: 14:46, Set: 04:12. Civil Dark: 22:19 - 04:55. Nautical Dark: 23:20 - 03:54. Astro Dark: 01:26 - N/A

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
38
38
38
38
38
38
28
28
28
28
28
28
100
100
100

Low Clouds (% Sky Obscured)

9
9
9
100
100
100
100
100
100
17
17
17
17
17
17
21
21
21
21
21
21
99
99
99

Medium Clouds (% Sky Obscured)

99
99
99
100
100
100
100
100
100
34
34
34
34
34
34
23
23
23
23
23
23
98
98
98

High Clouds (% Sky Obscured)

98
98
98
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
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

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

Precipitation Probability (%)

0
2
3
0
0
5
5
5
5
4
15
31
24
17
21
22
20
18
15
12
6
0
4
13

Precipitation Amount (mm)

0
0.01
0.03
0
0
0.05
0.04
0.04
0.05
0.05
0.15
0.25
0.18
0.11
0.14
0.2
0.15
0.07
0.04
0.02
0.01
0
0.01
0.04

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

10
11
12
12
13
14
15
16
16
17
15
14
13
13
14
14
14
13
12
11
11
11
11
11

Feels Like (°C)

10
11
12
12
13
14
15
16
16
17
15
14
13
13
14
14
14
13
12
11
11
11
11
11

Dew Point (°C)

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

Relative Humidity (%)

87
84
81
76
73
74
72
66
64
62
70
81
90
88
84
81
83
89
91
91
88
86
87
91

Pressure (mb)

1016
1015
1014
1014
1014
1014
1013
1012
1011
1010
1010
1009
1008
1007
1007
1006
1005
1005
1005
1005
1004
1004
1004
1004

Ozone (du)

336
338
337
342
344
349
352
356
361
361
362
365
367
365
366
363
363
363
363
363
364
364
365
365

Saturday 22

Waxing Gibbous 82%

16:09

04:29

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
00 Bad
01 Bad
02 OK
03 Good
04 OK

Sun - Rise: 05:39, Set: 21:38, Transit: 13:38. Moon - Rise: 16:09, Set: 04:29. Civil Dark: 22:21 - 04:54. Nautical Dark: 23:23 - 03:52. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
100
100
95
95
95
95
95
95
41
41
41
41
41
41
41
41
41
41
41
41
11
11
11

Low Clouds (% Sky Obscured)

99
99
99
85
85
85
85
85
85
31
31
31
31
31
31
28
28
28
28
28
28
10
10
10

Medium Clouds (% Sky Obscured)

98
98
98
63
63
63
63
63
63
26
26
26
26
26
26
35
35
35
35
35
35
2
2
2

High Clouds (% Sky Obscured)

96
96
96
70
70
70
70
70
70
4
4
4
4
4
4
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
9
9
9
9
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
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

Precipitation Probability (%)

29
40
43
45
42
35
28
20
13
12
14
14
14
19
26
29
25
17
12
8
4
0
0
10

Precipitation Amount (mm)

0.08
0.14
0.24
0.31
0.27
0.2
0.15
0.09
0.06
0.08
0.1
0.11
0.13
0.16
0.19
0.2
0.16
0.11
0.06
0.03
0.01
0
0
0.02

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

95
96
97
99
97
96
92
86
80
72
68
66
67
69
72
74
76
77
78
81
83
84
87
92

Pressure (mb)

1004
1004
1004
1004
1004
1004
1004
1004
1004
1004
1004
1004
1005
1005
1005
1006
1006
1007
1007
1007
1008
1008
1008
1008

Ozone (du)

367
370
375
379
381
383
385
385
385
384
382
380
378
378
379
379
380
380
378
375
370
366
366
366

Sunday 23

Waxing Gibbous 90%

17:34

04:47

05 OK
06 OK
07 OK
08 OK
09 OK
10 OK
11 OK
12 OK
13 OK
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

Sun - Rise: 05:37, Set: 21:39, Transit: 13:38. Moon - Rise: 17:34, Set: 04:47. Civil Dark: 22:23 - 04:52. Nautical Dark: 23:25 - 03:50. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

11
11
11
8
8
8
8
8
8
47
47
47
47
47
47
56
56
56
56
56
56
100
100
100

Low Clouds (% Sky Obscured)

10
10
10
7
7
7
7
7
7
24
24
24
24
24
24
13
13
13
13
13
13
97
97
97

Medium Clouds (% Sky Obscured)

2
2
2
0
0
0
0
0
0
45
45
45
45
45
45
50
50
50
50
50
50
100
100
100

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
9
9
9
9
9
9
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

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
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

17
16
12
12
16
22
25
28
31
27
20
9
4
2
1
2
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.04
0.04
0.04
0.05
0.07
0.11
0.15
0.18
0.2
0.19
0.14
0.08
0.04
0.02
0.01
0.01
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

19
19
19
19
19
19
19
18
17
16
15
14
13
11
9
7
7
7
7
7
8
9
9
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
93
90
88
84
81
79
80
82
82
78
72
66
61
59
59
64
69
75
80
84
86
87
86

Pressure (mb)

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

Ozone (du)

367
367
367
367
367
368
368
368
368
368
369
369
370
370
370
370
371
372
373
374
376
377
375
372

Forecast for Oudenbosch, Halderberge, NL (51.58,4.53)

Generated: 17/05/21 05:54:02. Forecast: 17/05/21 to 23/05/21. Timezone: UTC+2.00