Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 18

First Quarter 57%

13:50

02:36

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

Sun - Rise: 05:23, Set: 22:05, Transit: 13:44. Moon - Rise: 13:50, Set: 02:36. Civil Dark: 22:53 - 04:34. Nautical Dark: 00:10 - 03:17. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
76
98
98
99
93
58
41
94
76
39
38
59
34
41
23
61
100
96
98
99
100
100
100

Low Clouds (% Sky Obscured)

96
66
41
69
93
31
29
36
84
17
2
9
21
13
15
11
15
1
4
38
95
99
100
100

Medium Clouds (% Sky Obscured)

93
32
62
61
69
20
4
14
77
37
21
19
34
27
38
22
19
4
0
0
0
0
0
0

High Clouds (% Sky Obscured)

98
21
96
94
94
89
44
6
31
63
27
26
33
5
0
0
50
100
96
97
86
60
4
0

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

33
23
18
18
11
8
11
14
13
12
11
11
19
15
16
11
5
3
13
8
7
4
3
1

Precipitation Amount (mm)

0.42
0.09
0.08
0.15
0.11
0.07
0.3
0.54
0.48
0.25
0.27
0.16
0.21
0.16
0.19
0.13
0.07
0.08
0.43
0.36
0.26
0.17
0.08
0.03

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

19
19
20
21
23
26
27
27
26
25
25
25
22
21
20
19
20
20
19
19
18
17
16
15

Feels Like (°C)

19
20
20
22
24
26
28
28
26
25
25
25
22
21
20
19
20
20
19
19
18
17
16
15

Dew Point (°C)

19
19
20
20
20
21
19
20
19
19
19
18
17
17
17
16
16
16
17
16
15
16
15
15

Relative Humidity (%)

100
100
99
91
82
73
64
65
69
72
69
69
77
77
80
83
81
82
87
84
87
93
93
96

Pressure (mb)

1013
1013
1013
1013
1012
1012
1012
1012
1012
1011
1011
1011
1011
1011
1012
1012
1012
1012
1012
1012
1012
1013
1013
1014

Ozone (du)

323
322
322
322
324
327
326
328
328
327
328
327
327
325
325
328
330
331
332
333
336
337
338
339

Saturday 19

Waxing Gibbous 68%

15:11

02:52

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

Sun - Rise: 05:23, Set: 22:05, Transit: 13:44. Moon - Rise: 15:11, Set: 02:52. Civil Dark: 22:54 - 04:34. Nautical Dark: 00:11 - 03:17. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
88
93
92
74
87
96
39
91
68
73
91
22
93
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

100
88
93
92
74
81
92
39
16
2
0
0
0
0
0
0
0
0
0
0
2
16
18
97

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
6
1
14
77
93
95
83
84

High Clouds (% Sky Obscured)

0
0
0
0
0
38
34
1
91
67
73
91
22
93
100
100
100
100
100
100
100
100
99
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
8
8
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
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

1
0
1
0
1
0
1
0
0
0
0
0
0
0
0
20
11
30
57
60
68
67
62
39

Precipitation Amount (mm)

0.03
0
0.01
0
0.01
0
0.01
0
0
0
0
0
0
0
0
0.34
0.09
0.86
2.25
2.22
2.47
1.76
1.42
0.56

Wind Speed/Direction (mph)

16
15
14
12
10
9
7
7
7
8
9
10
10
10
11
12
11
10
11
12
13
14
15
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

16
14
14
15
13
13
14
13
13
14
13
13
14
13
12
13
13
13
14
14
15
16
17
18

Relative Humidity (%)

97
93
89
91
83
80
77
70
67
68
63
63
70
69
71
77
77
81
88
89
93
96
98
99

Pressure (mb)

1014
1015
1016
1016
1017
1017
1017
1017
1017
1016
1015
1015
1014
1014
1013
1012
1012
1011
1009
1008
1007
1005
1005
1005

Ozone (du)

340
339
341
342
341
340
336
334
333
332
331
330
331
330
329
329
324
320
320
320
320
321
322
328

Sunday 20

Waxing Gibbous 79%

16:36

03:10

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

Sun - Rise: 05:23, Set: 22:05, Transit: 13:44. Moon - Rise: 16:36, Set: 03:10. Civil Dark: 22:54 - 04:35. Nautical Dark: 00:11 - 03:17. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

98
100
29
98
97
58
91
44
34
29
38
86
26
26
26
26
26
26
88
88
88
88
88
88

Low Clouds (% Sky Obscured)

0
25
20
73
27
27
13
19
11
13
1
0
0
0
0
0
0
0
5
5
5
5
5
5

Medium Clouds (% Sky Obscured)

77
98
13
10
3
22
21
28
31
26
27
19
20
20
20
20
20
20
20
20
20
20
20
20

High Clouds (% Sky Obscured)

96
98
11
97
96
45
89
21
2
0
19
84
9
9
9
9
9
9
84
84
84
84
84
84

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

Precipitation Probability (%)

54
8
6
0
4
3
6
10
18
19
16
13
8
8
7
5
7
6
7
4
5
26
46
48

Precipitation Amount (mm)

0.33
0.05
0.02
0
0.01
0.01
0.02
0.06
0.15
0.22
0.22
0.17
0.06
0.04
0.02
0.01
0.01
0.01
0.03
0.01
0.02
0.5
1.44
1.03

Wind Speed/Direction (mph)

15
16
16
16
15
15
13
12
11
10
9
8
7
6
4
3
3
4
4
4
5
5
5
6

Chance of Frost

Temperature (°C)

19
21
21
22
23
23
23
24
22
21
20
20
20
19
18
17
17
16
16
16
16
16
16
17

Feels Like (°C)

20
21
22
22
23
23
23
24
22
21
20
20
20
19
18
17
17
16
16
16
16
16
16
17

Dew Point (°C)

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

Relative Humidity (%)

97
95
90
78
75
69
66
65
68
69
74
73
69
72
76
79
80
82
82
83
85
87
88
89

Pressure (mb)

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

Ozone (du)

327
328
330
330
331
335
329
338
337
335
335
334
334
331
331
332
331
331
329
329
331
331
331
331

Monday 21

Waxing Gibbous 88%

18:04

03:32

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 Bad
05 OK
06 OK
07 OK

Sun - Rise: 05:23, Set: 22:06, Transit: 13:44. Moon - Rise: 18:04, Set: 03:32. Civil Dark: 22:54 - 04:35. Nautical Dark: 00:11 - 03:18. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

65
65
65
65
65
65
97
97
97
97
97
97
100
100
100
100
100
100
25
25
25
25
25
25

Low Clouds (% Sky Obscured)

44
44
44
44
44
44
32
32
32
32
32
32
31
31
31
31
31
31
23
23
23
23
23
23

Medium Clouds (% Sky Obscured)

46
46
46
46
46
46
15
15
15
15
15
15
38
38
38
38
38
38
5
5
5
5
5
5

High Clouds (% Sky Obscured)

41
41
41
41
41
41
95
95
95
95
95
95
100
100
100
100
100
100
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

Light Rain
None
None
Light Rain
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 (%)

31
4
3
13
5
4
5
5
8
12
15
12
12
15
14
17
19
18
9
30
39
20
32
29

Precipitation Amount (mm)

0.84
0.06
0.01
0.41
0.04
0.04
0.07
0.05
0.11
0.16
0.11
0.05
0.06
0.05
0.08
0.1
0.07
0.09
0.01
0.22
0.29
0.1
0.19
0.23

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

16
18
20
20
23
23
22
23
22
19
20
19
17
17
17
15
16
16
15
16
16
15
17
17

Feels Like (°C)

17
18
20
20
23
23
22
23
22
19
20
19
17
17
17
15
16
16
15
16
16
15
17
17

Dew Point (°C)

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

Relative Humidity (%)

91
87
79
76
64
62
66
62
64
72
67
67
74
69
71
76
75
76
78
78
80
81
80
79

Pressure (mb)

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

Ozone (du)

336
337
337
336
337
336
335
338
340
341
343
344
346
346
346
346
347
349
352
353
356
356
355
355

Tuesday 22

Waxing Gibbous 95%

19:34

04:01

08 OK
09 OK
10 OK
11 OK
12 OK
13 OK
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

Sun - Rise: 05:24, Set: 22:06, Transit: 13:44. Moon - Rise: 19:34, Set: 04:01. Civil Dark: 22:54 - 04:35. Nautical Dark: 00:11 - 03:18. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

19
19
19
19
19
19
84
84
84
84
84
84
52
52
52
52
52
52
84
84
84
84
84
84

Low Clouds (% Sky Obscured)

1
1
1
1
1
1
68
68
68
68
68
68
12
12
12
12
12
12
81
81
81
81
81
81

Medium Clouds (% Sky Obscured)

2
2
2
2
2
2
70
70
70
70
70
70
41
41
41
41
41
41
20
20
20
20
20
20

High Clouds (% Sky Obscured)

17
17
17
17
17
17
0
0
0
0
0
0
16
16
16
16
16
16
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

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
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

Precipitation Probability (%)

17
21
13
12
11
12
14
32
49
13
47
38
36
29
20
13
12
14
15
16
14
13
15
21

Precipitation Amount (mm)

0.09
0.14
0.07
0.05
0.06
0.08
0.05
0.19
0.36
0.05
0.51
0.42
0.48
0.3
0.14
0.09
0.11
0.19
0.25
0.25
0.22
0.21
0.28
0.4

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

77
74
72
76
71
70
78
74
75
69
75
72
74
72
70
70
72
74
75
77
79
80
83
83

Pressure (mb)

1013
1010
1010
1014
1011
1012
1016
1013
1013
1017
1014
1014
1013
1013
1014
1015
1015
1015
1015
1015
1015
1015
1016
1016

Ozone (du)

361
361
360
358
356
355
354
355
357
358
358
357
359
361
363
366
368
370
371
370
368
366
364
363

Wednesday 23

Waxing Gibbous 99%

21:02

04:41

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
06 Bad
07 Bad

Sun - Rise: 05:24, Set: 22:06, Transit: 13:45. Moon - Rise: 21:02, Set: 04:41. Civil Dark: 22:54 - 04:36. Nautical Dark: 00:11 - 03:19. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

59
59
59
59
59
59
84
84
84
84
84
84
99
99
99
99
99
99
99
99
99
99
99
99

Low Clouds (% Sky Obscured)

46
46
46
46
46
46
36
36
36
36
36
36
27
27
27
27
27
27
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

19
19
19
19
19
19
34
34
34
34
34
34
79
79
79
79
79
79
84
84
84
84
84
84

High Clouds (% Sky Obscured)

31
31
31
31
31
31
73
73
73
73
73
73
98
98
98
98
98
98
97
97
97
97
97
97

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

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

Precipitation Probability (%)

28
24
12
7
8
8
8
5
4
3
0
0
0
0
0
0
0
2
5
6
6
6
7
7

Precipitation Amount (mm)

0.44
0.27
0.09
0.03
0.03
0.03
0.03
0.02
0.01
0.01
0
0
0
0
0
0
0
0.01
0.01
0.02
0.02
0.03
0.03
0.03

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

83
82
80
77
75
71
67
63
59
56
55
56
58
59
61
64
68
72
75
76
76
75
76
74

Pressure (mb)

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

Ozone (du)

362
361
361
360
360
359
359
357
355
354
353
354
354
352
350
347
346
344
343
342
341
340
339
337

Thursday 24

Full Moon 100%

22:20

05:36

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
05 Good
06 Good
07 Good

Sun - Rise: 05:24, Set: 22:06, Transit: 13:45. Moon - Rise: 22:20, Set: 05:36. Civil Dark: 22:54 - 04:36. Nautical Dark: 00:11 - 03:19. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

95
95
95
95
95
95
100
100
100
100
100
100
33
33
33
33
33
33
2
2
2
2
2
2

Low Clouds (% Sky Obscured)

4
4
4
4
4
4
100
100
100
100
100
100
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

94
94
94
94
94
94
65
65
65
65
65
65
31
31
31
31
31
31
2
2
2
2
2
2

High Clouds (% Sky Obscured)

18
18
18
18
18
18
22
22
22
22
22
22
3
3
3
3
3
3
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

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

Precipitation Probability (%)

7
6
0
0
0
0
5
5
4
5
5
6
5
0
0
0
0
5
6
7
8
9
8
6

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

14
15
15
16
16
17
18
18
18
18
17
17
16
16
15
15
15
14
14
14
13
13
13
14

Feels Like (°C)

14
15
15
16
16
17
18
18
18
18
17
17
16
16
15
15
15
14
14
14
13
13
13
14

Dew Point (°C)

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

Relative Humidity (%)

72
71
69
68
65
60
56
53
52
53
54
55
57
57
57
59
63
67
70
73
75
76
76
74

Pressure (mb)

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

Ozone (du)

335
334
332
331
331
330
330
330
331
331
331
331
330
330
330
330
331
333
335
337
340
342
343
343

Forecast for Spijkenisse, Spijkenisse, NL (51.86,4.30)

Generated: 18/06/21 08:50:20. Forecast: 18/06/21 to 24/06/21. Timezone: UTC+2.00