Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 22

Waxing Gibbous 75%

14:30

05:01

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 Good
05 OK
06 OK
07 OK
08 OK
09 OK
10 Good
11 OK
12 Bad
13 Bad
14 Bad
15 Bad

Sun - Rise: 05:08, Set: 20:21, Transit: 12:45. Moon - Rise: 14:30, Set: 05:01. Civil Dark: 21:08 - 04:20. Nautical Dark: 22:15 - 03:12. Astro Dark: 00:21 - N/A

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
88
36
1
3
6
10
19
32
28
4
40
93
100
100
87

Low Clouds (% Sky Obscured)

100
100
99
72
30
45
73
86
83
61
5
0
3
6
10
18
20
10
0
33
79
89
76
25

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
99
98
76
32
0
0
0
2
2
27
22
0
0
66
98
99
78

High Clouds (% Sky Obscured)

100
100
97
100
100
100
100
94
57
27
10
0
0
0
0
0
0
0
4
10
5
10
23
21

ISS Passover

Visibility (miles)

3
7
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
9
10

Fog (%)

2
2
1
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
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

49
52
45
40
14
0
4
5
3
2
0
0
0
0
0
0
0
0
0
0
4
0
4
4

Precipitation Amount (mm)

0.23
0.3
0.31
0.33
0.14
0
0.02
0.03
0.02
0.01
0
0
0
0
0
0
0
0
0
0
0.01
0
0.01
0.01

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

2
2
3
3
3
3
2
2
2
2
2
2
1
1
1
2
2
3
4
5
5
6
6
7

Feels Like (°C)

-3
-3
-3
-2
-1
-1
-2
-2
-2
-2
-2
-3
-3
-3
-4
-3
-3
-1
-0
1
1
2
2
3

Dew Point (°C)

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

Relative Humidity (%)

91
90
84
82
81
85
92
96
90
85
82
83
86
89
91
91
91
83
75
69
62
56
53
49

Pressure (mb)

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

Ozone (du)

396
395
395
397
405
415
415
413
413
414
422
422
417
417
416
416
429
428
429
430
430
431
438
436

Friday 23

Waxing Gibbous 85%

16:07

05:09

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

Sun - Rise: 05:05, Set: 20:23, Transit: 12:45. Moon - Rise: 16:07, Set: 05:09. Civil Dark: 21:11 - 04:17. Nautical Dark: 22:19 - 03:08. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

50
33
67
86
95
83
32
27
11
8
3
1
2
8
16
79
89
61
95
97
99
89
88
88

Low Clouds (% Sky Obscured)

11
9
12
9
17
22
5
3
2
0
0
0
0
0
0
0
0
11
95
97
98
82
64
63

Medium Clouds (% Sky Obscured)

38
26
62
74
91
78
29
25
10
8
3
1
2
8
14
63
81
43
3
0
13
39
65
63

High Clouds (% Sky Obscured)

15
2
9
46
38
23
1
0
0
0
0
0
0
0
2
46
59
30
2
0
0
0
0
2

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
9
5
6
5
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
Very Light Rain
Very Light Rain
Snow
Snow
Snow
Very Light Rain

Precipitation Probability (%)

3
3
2
2
1
0
0
0
0
0
0
0
0
0
0
0
4
5
8
12
14
13
13
8

Precipitation Amount (mm)

0.01
0.01
0.01
0.01
0.01
0
0
0
0
0
0
0
0
0
0
0
0.02
0.03
0.04
0.07
0.1
0.12
0.1
0.06

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

4
6
5
5
4
2
1
-0
-1
-2
-2
-3
-3
-4
-4
-3
-3
-2
-2
-1
-1
-1
-1
-0

Dew Point (°C)

-4
-4
-4
-4
-4
-3
-2
-2
-2
-2
-2
-2
-2
-1
-1
-1
-0
-1
-1
-1
-1
-2
-2
-3

Relative Humidity (%)

45
41
41
44
48
54
60
64
68
71
74
77
80
82
83
81
82
78
75
73
71
69
64
61

Pressure (mb)

1013
1013
1014
1014
1014
1014
1015
1015
1015
1015
1015
1015
1015
1015
1016
1016
1015
1015
1015
1016
1016
1017
1017
1017

Ozone (du)

436
436
436
436
440
441
441
441
445
449
457
459
460
466
467
464
468
468
464
463
463
463
456
455

Saturday 24

Waxing Gibbous 92%

16:07

05:16

16 Bad
17 Bad
18 Bad
19 OK
20 OK
21 OK
22 OK
23 OK
00 OK
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

Sun - Rise: 05:02, Set: 20:26, Transit: 12:45. Moon - Rise: 16:07, Set: 05:16. Civil Dark: 21:14 - 04:13. Nautical Dark: 22:23 - 03:03. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

82
80
59
38
41
41
41
41
41
41
36
36
36
36
36
36
58
58
58
58
58
58
99
99

Low Clouds (% Sky Obscured)

46
21
12
6
3
3
3
3
3
3
4
4
4
4
4
4
17
17
17
17
17
17
97
97

Medium Clouds (% Sky Obscured)

49
52
48
28
14
14
14
14
14
14
22
22
22
22
22
22
27
27
27
27
27
27
89
89

High Clouds (% Sky Obscured)

24
51
22
8
27
27
27
27
27
27
2
2
2
2
2
2
10
10
10
10
10
10
0
0

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
7
7
9
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
Snow
Snow
Snow
Snow
Snow
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

4
3
2
2
2
0
0
0
2
4
8
9
9
10
12
15
14
12
10
9
7
7
11
10

Precipitation Amount (mm)

0.02
0.01
0.01
0.01
0.01
0
0
0
0.02
0.04
0.09
0.08
0.08
0.07
0.06
0.05
0.04
0.03
0.02
0.02
0.02
0.02
0.08
0.09

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

5
6
6
6
5
4
3
3
2
2
1
1
1
1
1
1
2
2
3
5
6
6
6
6

Feels Like (°C)

1
2
2
2
2
1
-0
-1
-2
-2
-3
-4
-4
-4
-4
-4
-4
-2
-1
0
2
3
2
2

Dew Point (°C)

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

Relative Humidity (%)

59
57
56
58
60
63
65
70
78
87
98
100
100
100
100
99
96
88
80
69
60
54
55
56

Pressure (mb)

1018
1018
1018
1018
1018
1018
1018
1018
1018
1017
1017
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016

Ozone (du)

453
453
453
453
456
456
455
453
453
452
455
455
453
452
452
451
452
453
452
451
450
449
439
437

Sunday 25

Waxing Gibbous 98%

17:45

05:22

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
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad

Sun - Rise: 05:00, Set: 20:28, Transit: 12:45. Moon - Rise: 17:45, Set: 05:22. Civil Dark: 21:17 - 04:10. Nautical Dark: 22:27 - 02:59. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

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

Low Clouds (% Sky Obscured)

97
97
97
97
34
34
34
34
34
34
98
98
98
98
98
98
100
100
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

89
89
89
89
95
95
95
95
95
95
85
85
85
85
85
85
45
45
45
45
45
45
60
60

High Clouds (% Sky Obscured)

0
0
0
0
56
56
56
56
56
56
34
34
34
34
34
34
25
25
25
25
25
25
1
1

ISS Passover

Visibility (miles)

10
10
8
4
8
10
4
4
4
4
3
3
3
3
3
3
3
3
4
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
None
None
None
None
None

Precipitation Probability (%)

10
13
32
38
29
40
44
38
30
22
17
15
15
14
12
12
13
9
7
5
5
4
4
3

Precipitation Amount (mm)

0.1
0.12
0.19
0.25
0.27
0.31
0.35
0.34
0.33
0.26
0.22
0.18
0.16
0.14
0.13
0.13
0.12
0.07
0.05
0.04
0.03
0.03
0.03
0.02

Wind Speed/Direction (mph)

13
13
12
13
14
14
15
14
14
14
12
12
12
12
12
12
12
12
12
12
12
12
12
12

Chance of Frost

Temperature (°C)

5
4
3
3
3
3
3
2
2
3
2
2
2
2
2
2
3
3
4
5
6
6
6
5

Feels Like (°C)

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

Dew Point (°C)

-1
1
2
2
2
2
3
2
2
3
2
2
2
2
2
2
3
3
3
3
3
2
3
2

Relative Humidity (%)

67
77
91
96
90
97
100
100
100
100
100
100
100
100
100
100
100
98
93
85
79
75
80
82

Pressure (mb)

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

Ozone (du)

436
434
431
429
428
426
424
422
421
422
424
423
422
421
421
420
417
417
418
418
418
418
419
419

Monday 26

Waxing Gibbous 100%

19:27

05:30

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
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad

Sun - Rise: 04:57, Set: 20:30, Transit: 12:45. Moon - Rise: 19:27, Set: 05:30. Civil Dark: 21:20 - 04:07. Nautical Dark: 22:31 - 02:54. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
100
100
100
90
90
90
90
90
90
47
47
47
47
47
47
84
84
84
84
84
84
98
98

Low Clouds (% Sky Obscured)

100
100
100
100
28
28
28
28
28
28
2
2
2
2
2
2
7
7
7
7
7
7
40
40

Medium Clouds (% Sky Obscured)

60
60
60
60
63
63
63
63
63
63
24
24
24
24
24
24
30
30
30
30
30
30
85
85

High Clouds (% Sky Obscured)

1
1
1
1
2
2
2
2
2
2
0
0
0
0
0
0
42
42
42
42
42
42
53
53

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
8
7
7

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

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

1
1
1
2
2
2
1
-0
-1
-2
-2
-3
-3
-3
-2
-1
1
2
3
4
5
5
5
6

Dew Point (°C)

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

Relative Humidity (%)

84
84
86
84
81
83
86
91
100
100
100
100
100
100
100
100
94
87
81
74
71
70
68
68

Pressure (mb)

1018
1018
1018
1018
1018
1019
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1017
1017
1017
1017
1017
1016
1016
1016

Ozone (du)

419
421
425
426
412
408
411
416
412
408
409
409
410
410
408
407
424
426
427
429
432
437
439
439

Tuesday 27

Full Moon 99%

21:12

05:40

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
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad

Sun - Rise: 04:54, Set: 20:33, Transit: 12:45. Moon - Rise: 21:12, Set: 05:40. Civil Dark: 21:23 - 04:04. Nautical Dark: 22:35 - 02:50. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

98
98
98
98
96
96
96
96
96
96
94
94
94
94
94
94
87
87
87
87
87
87
96
96

Low Clouds (% Sky Obscured)

40
40
40
40
25
25
25
25
25
25
6
6
6
6
6
6
23
23
23
23
23
23
27
27

Medium Clouds (% Sky Obscured)

85
85
85
85
80
80
80
80
80
80
73
73
73
73
73
73
35
35
35
35
35
35
82
82

High Clouds (% Sky Obscured)

53
53
53
53
47
47
47
47
47
47
29
29
29
29
29
29
9
9
9
9
9
9
0
0

ISS Passover

Visibility (miles)

7
8
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
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

4
5
9
15
18
16
15
15
15
15
14
10
4
0
0
0
0
3
5
5
5
5
4
3

Precipitation Amount (mm)

0.05
0.06
0.11
0.26
0.41
0.44
0.54
0.66
0.64
0.57
0.49
0.24
0.04
0
0
0
0
0.01
0.01
0.01
0.01
0.01
0.01
0.01

Wind Speed/Direction (mph)

4
5
4
4
4
4
4
3
3
4
4
4
4
4
5
5
6
6
6
7
7
8
9
9

Chance of Frost

Temperature (°C)

7
7
6
5
4
3
3
2
1
1
1
1
1
1
1
1
2
3
4
4
5
6
7
7

Feels Like (°C)

6
6
5
4
3
2
1
0
-0
-1
-1
-1
-1
-2
-1
-1
-1
0
1
2
2
3
4
5

Dew Point (°C)

2
3
3
4
4
3
3
2
1
1
1
1
1
1
1
1
2
2
1
1
1
0
-0
-0

Relative Humidity (%)

68
73
79
90
97
100
100
100
100
100
100
100
100
100
100
100
100
92
85
79
73
68
62
58

Pressure (mb)

1016
1016
1016
1016
1016
1016
1017
1017
1017
1017
1017
1018
1018
1018
1018
1018
1019
1018
1018
1018
1018
1018
1018
1018

Ozone (du)

437
434
432
429
425
417
407
400
399
402
403
401
399
397
396
396
397
398
400
401
400
399
397
397

Wednesday 28

Waning Gibbous 95%

22:59

05:55

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
08 Bad
09 OK
10 OK
11 OK
12 OK
13 OK
14 Bad
15 Bad

Sun - Rise: 04:51, Set: 20:35, Transit: 12:44. Moon - Rise: 22:59, Set: 05:55. Civil Dark: 21:25 - 04:01. Nautical Dark: 22:40 - 02:45. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

96
96
96
96
72
72
72
72
72
72
72
72
72
72
72
72
48
48
48
48
48
48
82
82

Low Clouds (% Sky Obscured)

27
27
27
27
15
15
15
15
15
15
11
11
11
11
11
11
9
9
9
9
9
9
23
23

Medium Clouds (% Sky Obscured)

82
82
82
82
40
40
40
40
40
40
35
35
35
35
35
35
19
19
19
19
19
19
74
74

High Clouds (% Sky Obscured)

0
0
0
0
4
4
4
4
4
4
9
9
9
9
9
9
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 (%)

2
2
0
0
0
0
0
0
0
0
0
0
0
0
0
2
2
2
0
0
0
0
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

9
8
8
7
7
6
6
6
6
5
5
5
5
5
5
5
5
5
4
4
3
3
3
3

Chance of Frost

Temperature (°C)

8
7
7
5
4
3
2
1
0
-0
-0
-1
-1
-1
-0
1
3
4
5
6
7
8
9
10

Feels Like (°C)

5
5
4
3
2
0
-1
-2
-3
-3
-3
-4
-4
-4
-3
-1
0
2
4
5
6
8
9
10

Dew Point (°C)

-1
-0
-0
-0
-0
-0
-0
0
0
-0
-0
-1
-1
-1
-0
1
1
1
0
-0
-1
-1
-1
-1

Relative Humidity (%)

55
57
61
67
72
78
86
94
100
100
100
100
100
100
100
100
92
82
71
63
58
55
50
48

Pressure (mb)

1018
1018
1018
1018
1018
1018
1018
1019
1019
1019
1018
1018
1018
1018
1018
1018
1018
1018
1018
1017
1017
1017
1016
1016

Ozone (du)

398
399
403
407
409
407
403
401
400
400
399
398
397
397
397
398
400
401
402
404
404
405
406
409

Forecast for 111 47 Stockholm, Sweden (59.33,18.07)

Generated: 22/04/21 16:58:52. Forecast: 22/04/21 to 28/04/21. Timezone: UTC+2.00