Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 25

Waxing Gibbous 87%

20:57

23:55

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
16 Bad
17 Bad

Sun - Rise: 04:49, Set: 22:11, Transit: 13:29. Moon - Rise: 20:57, Set: 23:55. Civil Dark: 23:17 - 03:43. Nautical Dark: N/A - N/A. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

92
94
95
96
100
100
100
100
99
98
99
100
100
100
99
99
100
100
100
100
100
98
96
95

Low Clouds (% Sky Obscured)

71
57
62
61
61
64
50
54
49
44
64
89
82
84
90
74
84
84
79
69
79
84
84
79

Medium Clouds (% Sky Obscured)

84
94
95
96
100
100
100
81
91
91
88
97
86
97
96
91
100
99
99
100
98
92
82
70

High Clouds (% Sky Obscured)

92
94
95
96
100
100
100
100
63
35
55
94
100
100
59
87
100
95
100
80
80
55
45
55

ISS Passover

Visibility (miles)

9
9
9
9
9
5
9
9
9
9
9
9
9
9
9
9
9
8
9
8
9
9
9
5

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

Precipitation Probability (%)

43
70
62
66
68
64
66
57
34
26
36
50
37
53
35
34
75
95
77
90
92
95
86
74

Precipitation Amount (mm)

0
0
0.3
0.3
0.3
0.3
0.5
0.3
0
0
0
0
0
0.3
0
0
0.5
0.9
0.4
0.8
0.6
0.9
0.6
0.4

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

18
17
17
16
15
15
15
15
15
15
15
15
15
15
16
16
17
17
17
17
17
17
17
18

Feels Like (°C)

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

Dew Point (°C)

11
13
13
13
13
13
13
13
13
13
13
13
13
13
15
15
15
15
15
15
16
16
16
17

Relative Humidity (%)

66
74
78
82
87
86
87
87
87
86
87
87
87
87
95
93
89
89
92
90
93
90
90
93

Pressure (mb)

1003
1003
1003
1003
1003
1003
1003
1002
1002
1002
1001
1001
1001
1001
1001
1000
1000
1001
1001
1001
1001
1001
1001
1001

Ozone (du)

339
338
336
333
332
334
338
341
345
344
344
342
343
342
341
341
342
344
345
345
345
342
343
344

Sunday 26

Waxing Gibbous 93%

21:45

00:55

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
16 Bad
17 Bad

Sun - Rise: 04:51, Set: 22:08, Transit: 13:28. Moon - Rise: 21:45, Set: 00:55. Civil Dark: 23:14 - 03:46. Nautical Dark: N/A - N/A. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

81
89
87
93
94
84
79
75
94
100
100
100
99
100
100
97
98
99
100
100
99
99
97
99

Low Clouds (% Sky Obscured)

64
69
71
81
84
82
60
68
73
63
85
93
89
96
92
86
68
86
100
78
83
83
80
76

Medium Clouds (% Sky Obscured)

40
50
28
61
36
48
29
20
52
73
98
99
97
100
100
84
88
97
53
64
95
97
85
93

High Clouds (% Sky Obscured)

55
4
3
0
2
2
54
28
48
100
100
100
63
60
70
57
10
62
38
94
85
83
80
70

ISS Passover

Visibility (miles)

9
9
9
9
6
9
9
9
9
9
9
9
9
4
1
7
7
9
9
5
4
7
9
6

Fog (%)

0
0
0
0
0
0
0
0
0
1
0
0
1
0
1
0
0
0
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

50
27
37
54
52
43
33
23
18
22
36
85
95
95
95
61
49
36
37
57
82
77
74
55

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0.6
1
0.8
0.6
0
0
0
0
0.3
0.6
0.5
0.5
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

18
17
17
16
16
15
15
15
15
15
15
15
15
16
16
16
17
17
18
18
18
18
18
17

Feels Like (°C)

17
16
16
16
16
15
16
16
16
15
15
15
15
16
16
17
17
17
18
18
18
18
18
18

Dew Point (°C)

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

Relative Humidity (%)

93
93
92
92
95
95
96
98
98
98
100
98
98
98
98
98
96
95
96
93
89
88
88
81

Pressure (mb)

1001
1001
1001
1001
1001
1001
1001
1001
1001
1001
1001
1000
1000
1000
999
999
999
999
999
999
999
999
999
999

Ozone (du)

347
351
351
350
350
351
352
352
350
347
345
344
343
342
348
347
348
348
348
347
346
346
350
349

Monday 27

Waxing Gibbous 97%

22:06

02:20

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
16 Bad
17 Bad

Sun - Rise: 04:53, Set: 22:06, Transit: 13:28. Moon - Rise: 22:06, Set: 02:20. Civil Dark: 23:11 - 03:49. Nautical Dark: N/A - N/A. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

95
100
100
100
100
100
100
100
100
100
100
100
98
85
84
77
82
79
74
84
81
84
93
99

Low Clouds (% Sky Obscured)

77
89
88
90
81
83
57
54
75
84
68
51
56
47
57
60
58
61
54
59
71
67
67
65

Medium Clouds (% Sky Obscured)

87
98
100
100
100
100
100
100
100
100
100
100
81
75
64
39
66
34
39
38
15
19
41
29

High Clouds (% Sky Obscured)

40
38
64
56
38
73
100
97
100
100
100
100
90
50
46
50
3
0
0
3
6
25
42
70

ISS Passover

Visibility (miles)

5
9
9
9
9
8
2
1
2
2
3
3
2
2
4
9
9
9
9
9
9
9
8
9

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

Precipitation Probability (%)

49
82
95
89
80
95
95
95
95
95
95
95
95
95
63
31
22
24
15
27
38
45
52
50

Precipitation Amount (mm)

0
0.5
0.6
0.4
0
0.4
0.9
1.1
1
1.1
0.6
1.5
2.2
1.7
0.2
0
0
0
0
0
0
0
0.2
0

Wind Speed/Direction (mph)

4
3
3
3
4
4
6
7
8
8
8
8
7
7
8
8
8
9
9
10
10
8
9
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

17
18
16
16
15
14
13
12
11
11
11
11
11
11
11
13
14
14
14
15
15
16
16
15

Dew Point (°C)

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

Relative Humidity (%)

79
79
86
90
92
95
96
100
98
98
96
96
96
96
95
93
86
71
61
52
54
55
54
63

Pressure (mb)

999
998
998
998
998
997
997
997
997
997
997
997
998
998
998
998
999
999
999
1000
1000
1000
1001
1001

Ozone (du)

350
350
350
348
349
350
351
351
350
350
351
354
357
360
367
369
372
373
374
373
371
370
368
369

Tuesday 28

Waxing Gibbous 100%

22:14

03:54

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
16 Bad
17 Bad

Sun - Rise: 04:56, Set: 22:04, Transit: 13:28. Moon - Rise: 22:14, Set: 03:54. Civil Dark: 23:08 - 03:53. Nautical Dark: N/A - N/A. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

82
86
94
91
87
85
83
82
82
69
62
55
61
67
71
70
73
73
73
76
80
87
94
100

Low Clouds (% Sky Obscured)

57
55
53
37
21
15
15
20
20
20
20
20
25
30
40
41
47
47
51
51
55
60
56
52

Medium Clouds (% Sky Obscured)

28
29
27
29
30
35
83
82
82
66
33
30
40
26
62
64
63
36
42
41
33
42
47
50

High Clouds (% Sky Obscured)

58
45
33
22
11
0
0
0
0
0
0
0
0
0
0
0
2
2
12
48
19
10
8
4

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

47
46
37
28
23
16
37
48
67
65
75
95
95
72
79
70
72
56
51
25
23
25
26
32

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0.3
0.2
0.3
0.6
1
0.4
0.6
0.4
0.6
0.3
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

17
16
15
15
14
13
13
12
12
12
12
12
12
13
14
16
16
17
18
18
19
19
19
19

Feels Like (°C)

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

Dew Point (°C)

9
9
9
11
11
10
10
10
10
11
11
11
11
12
14
15
16
16
17
18
18
19
18
18

Relative Humidity (%)

60
60
67
76
80
80
81
84
86
93
93
95
95
93
95
95
95
95
96
96
95
96
96
95

Pressure (mb)

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

Ozone (du)

369
370
370
370
370
371
370
369
369
367
366
364
362
363
363
364
364
364
362
361
360
360
360
358

Wednesday 29

Full Moon 100%

22:17

05:29

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
16 Bad
17 Bad

Sun - Rise: 04:58, Set: 22:01, Transit: 13:28. Moon - Rise: 22:17, Set: 05:29. Civil Dark: 23:04 - 03:56. Nautical Dark: N/A - N/A. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

98
97
95
90
86
81
85
86
86
82
81
76
76
70
70
86
76
72
76
83
87
82
72
64

Low Clouds (% Sky Obscured)

46
41
35
30
30
35
40
40
45
45
40
30
30
25
30
58
55
52
53
56
60
55
48
40

Medium Clouds (% Sky Obscured)

51
45
95
90
75
78
85
86
86
78
69
62
56
61
55
54
50
46
53
63
72
68
64
62

High Clouds (% Sky Obscured)

4
42
65
55
7
0
11
50
50
50
55
50
50
55
55
50
40
30
30
25
15
6
11
12

ISS Passover

Visibility (miles)

9
9
9
3
9
9
9
9
9
9
9
9
5
6
5
3
5
7
9
9
9
9
9
9

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

Precipitation Probability (%)

20
18
81
77
22
13
8
34
57
53
57
80
84
95
95
81
74
66
64
57
43
41
34
14

Precipitation Amount (mm)

0
0
0.6
0.4
0
0
0
0
0.2
0
0
0.6
0.3
1
0.8
0.5
0.4
0.3
0.3
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

19
18
17
17
16
15
14
13
13
13
12
12
12
13
14
15
17
18
19
19
19
19
19
19

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

95
93
95
96
96
96
95
95
95
96
95
95
96
96
96
95
95
95
95
95
92
92
91
89

Pressure (mb)

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

Ozone (du)

356
355
355
354
354
351
349
343
340
339
338
337
336
335
334
334
335
335
335
335
335
334
334
334

Thursday 30

Waning Gibbous 98%

22:17

07:01

18 Bad
19 OK
20 OK
21 OK
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 OK
11 OK
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad

Sun - Rise: 05:00, Set: 21:59, Transit: 13:28. Moon - Rise: 22:17, Set: 07:01. Civil Dark: 23:01 - 03:59. Nautical Dark: N/A - N/A. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

50
37
20
33
46
59
60
59
53
50
49
53
49
45
40
33
22
12
37
62
87
91
95
100

Low Clouds (% Sky Obscured)

36
37
20
33
34
34
37
37
36
42
45
51
45
31
23
18
11
6
5
5
5
4
4
4

Medium Clouds (% Sky Obscured)

49
33
19
21
24
27
25
22
20
23
27
29
30
31
32
22
12
0
18
33
49
48
50
53

High Clouds (% Sky Obscured)

16
21
20
30
25
22
20
14
5
4
5
4
3
3
3
3
2
2
21
41
60
73
87
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

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 (%)

20
16
1
3
2
0
1
2
2
6
7
4
17
22
23
26
23
8
20
23
23
34
31
17

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

20
19
18
18
17
16
15
14
14
13
14
14
14
16
17
19
20
22
23
24
24
24
24
24

Feels Like (°C)

18
18
17
17
16
16
15
14
14
13
14
14
14
14
13
12
20
21
20
20
21
21
23
23

Dew Point (°C)

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

Relative Humidity (%)

88
88
88
88
90
95
98
96
96
96
96
96
95
86
77
70
64
59
54
50
47
46
46
46

Pressure (mb)

1011
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1011
1011
1011
1011
1011
1011

Ozone (du)

334
333
333
332
333
333
333
333
332
331
330
329
328
327
327
326
325
325
325
325
326
326
325
324

Friday 31

Waning Gibbous 94%

22:17

08:31

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

Sun - Rise: 05:03, Set: 21:56, Transit: 13:28. Moon - Rise: 22:17, Set: 08:31. Civil Dark: 22:58 - 04:02. Nautical Dark: N/A - N/A. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

86
71
59
63
66
66
76
86
93
79
64
46
39
32
34
37
40
39
41
37
30

Low Clouds (% Sky Obscured)

4
3
0
0
0
0
0
0
0
9
16
23
32
32
34
37
40
39
41
37
30

Medium Clouds (% Sky Obscured)

47
45
39
44
46
43
45
48
55
56
51
44
39
32
34
34
34
29
21
12
3

High Clouds (% Sky Obscured)

76
53
29
34
39
40
51
67
85
79
64
46
39
32
34
35
40
39
36
18
2

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

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

Precipitation Probability (%)

16
16
4
9
9
5
6
4
0
0
1
1
14
22
30
27
22
7
21
17
8

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

22
23
23
23
18
18
19
18
17
16
15
15
15
15
15
14
23
23
23
24
25

Dew Point (°C)

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

Relative Humidity (%)

46
54
63
71
76
78
83
83
82
82
82
82
83
74
66
59
55
50
46
44
42

Pressure (mb)

1010
1010
1010
1010
1010
1010
1010
1010
1010
1011
1010
1010
1010
1010
1010
1011
1010
1010
1010
1010
1010

Ozone (du)

322
321
321
320
319
319
319
318
318
317
318
318
318
317
316
315
315
315
314
314
313

Forecast for Vols, Helsinki, Finland (60.17,24.39)

Generated: 25/07/26 18:19:46. Forecast: 25/07/26 to 31/07/26. Timezone: UTC+3.00