Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 27

Waxing Gibbous 89%

18:06

02:50

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
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad

Sun - Rise: 04:15, Set: 22:22, Transit: 13:19. Moon - Rise: 18:06, Set: 02:50. Civil Dark: 23:41 - 02:55. Nautical Dark: N/A - N/A. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

90
92
94
93
90
85
52
89
100
100
100
99
99
100
100
100
96
87
67
93
90
97
92
71

Low Clouds (% Sky Obscured)

83
73
84
46
33
0
0
0
0
1
6
1
7
11
5
5
0
2
2
26
27
53
38
39

Medium Clouds (% Sky Obscured)

90
92
94
93
83
85
52
89
100
92
84
81
93
99
100
100
93
78
46
77
81
80
75
38

High Clouds (% Sky Obscured)

85
92
89
86
16
20
13
43
98
100
85
26
78
86
88
85
43
17
19
28
32
64
10
6

ISS Passover

Visibility (miles)

6
6
5
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

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

Precipitation Probability (%)

95
95
95
43
10
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
12

Precipitation Amount (mm)

0.2
0.6
0.4
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

10
8
9
8
10
9
7
7
5
4
4
4
3
3
2
2
3
4
5
6
7
8
8
9

Dew Point (°C)

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

Relative Humidity (%)

45
62
63
63
46
38
40
42
43
42
43
45
46
45
45
45
44
48
48
44
38
36
35
38

Pressure (mb)

1004
1004
1004
1004
1004
1005
1005
1005
1006
1007
1007
1007
1008
1008
1008
1008
1009
1009
1009
1009
1010
1010
1010
1010

Ozone (du)

391
389
388
387
386
387
386
386
387
389
390
391
392
393
391
390
390
388
387
386
385
384
385
387

Thursday 28

Waxing Gibbous 94%

19:36

02:51

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

Sun - Rise: 04:13, Set: 22:24, Transit: 13:19. Moon - Rise: 19:36, Set: 02:51. Civil Dark: 23:44 - 02:51. Nautical Dark: N/A - N/A. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

71
73
48
69
42
79
45
52
25
31
43
33
34
34
42
43
91
90
90
80
78
77
90
88

Low Clouds (% Sky Obscured)

50
50
44
45
40
36
25
22
1
0
3
0
0
0
0
0
0
0
0
6
12
52
76
34

Medium Clouds (% Sky Obscured)

34
45
2
2
24
24
14
19
9
31
27
33
30
30
37
42
85
85
85
80
78
77
61
59

High Clouds (% Sky Obscured)

1
1
0
1
1
1
7
9
4
1
0
0
0
0
0
0
65
65
60
55
55
55
70
75

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 (%)

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

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)

13
15
13
14
14
13
12
11
9
7
6
7
7
7
6
6
6
7
7
8
9
10
10
10

Chance of Frost

Temperature (°C)

14
16
15
16
15
15
13
13
11
10
8
7
7
7
6
6
7
9
11
12
14
15
16
17

Feels Like (°C)

10
10
10
10
10
11
9
9
7
8
7
5
6
5
5
5
6
8
10
11
11
13
14
13

Dew Point (°C)

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

Relative Humidity (%)

39
34
40
33
35
35
43
46
50
57
69
73
73
75
78
76
67
55
47
42
39
36
32
28

Pressure (mb)

1010
1010
1010
1010
1011
1011
1012
1012
1012
1013
1013
1014
1014
1014
1014
1014
1015
1015
1015
1015
1015
1015
1014
1014

Ozone (du)

388
390
391
392
391
389
389
388
390
394
398
401
401
399
398
397
395
392
388
386
381
379
375
373

Friday 29

Waxing Gibbous 98%

21:08

02:54

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

Sun - Rise: 04:11, Set: 22:26, Transit: 13:20. Moon - Rise: 21:08, Set: 02:54. Civil Dark: 23:47 - 02:48. Nautical Dark: N/A - N/A. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

75
74
69
48
66
76
58
68
33
8
0
0
0
0
0
0
7
0
0
0
0
0
33
67

Low Clouds (% Sky Obscured)

37
36
54
48
66
70
54
55
31
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

49
48
37
28
21
17
7
14
0
5
0
0
0
0
0
0
6
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

75
39
7
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
25
45

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 (%)

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 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)

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

Chance of Frost

Temperature (°C)

17
18
18
18
18
18
17
15
13
11
9
8
8
7
7
7
8
11
13
15
17
18
19
20

Feels Like (°C)

14
15
15
15
15
15
15
13
12
10
8
7
6
7
6
6
8
10
13
15
16
18
19
20

Dew Point (°C)

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

Relative Humidity (%)

27
25
25
25
26
30
35
41
47
51
58
63
66
69
71
71
65
53
45
39
34
31
28
26

Pressure (mb)

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

Ozone (du)

374
372
371
370
369
365
362
362
362
360
359
358
357
356
356
355
353
354
354
354
354
353
353
353

Saturday 30

Waxing Gibbous 100%

22:40

03:02

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

Sun - Rise: 04:10, Set: 22:28, Transit: 13:20. Moon - Rise: 22:40, Set: 03:02. Civil Dark: 23:51 - 02:45. Nautical Dark: N/A - N/A. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
100
100
100
95
91
86
76
67
57
38
19
1
8
19
30
32
37
41
44
41
49
68
71

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
15
31
44
29
15
0
0
0
0
0
0
0
0
1
15
26
22

Medium Clouds (% Sky Obscured)

0
21
45
68
76
76
80
58
33
11
8
4
0
6
13
30
22
37
41
39
11
4
10
20

High Clouds (% Sky Obscured)

55
52
64
67
47
30
16
40
32
21
1
1
1
2
6
9
6
1
2
21
26
42
56
69

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 (%)

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 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)

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

Chance of Frost

Temperature (°C)

20
20
20
19
18
17
16
15
12
11
10
9
9
9
8
8
9
12
13
15
17
18
18
19

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

26
27
28
31
35
37
40
48
55
53
57
61
63
68
74
81
76
64
56
51
45
42
41
43

Pressure (mb)

1009
1009
1008
1008
1008
1008
1008
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009

Ozone (du)

354
355
354
353
351
350
350
349
348
348
349
349
349
349
350
349
349
350
349
349
348
349
349
350

Sunday 31

Full Moon 100%

00:05

03:21

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
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad

Sun - Rise: 04:08, Set: 22:29, Transit: 13:20. Moon - Rise: 00:05, Set: 03:21. Civil Dark: 23:54 - 02:42. Nautical Dark: N/A - N/A. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

84
77
77
72
69
71
69
82
89
92
95
87
72
53
59
77
87
91
96
96
96
96
91
82

Low Clouds (% Sky Obscured)

32
29
31
31
41
52
60
66
76
82
83
85
72
53
59
77
87
91
96
96
96
96
91
82

Medium Clouds (% Sky Obscured)

30
40
47
54
43
32
24
16
8
0
22
46
69
53
59
77
86
90
89
91
93
90
90
82

High Clouds (% Sky Obscured)

82
55
28
3
2
2
1
31
64
92
85
73
63
53
59
77
58
77
81
87
88
85
88
82

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
Very Light Rain

Precipitation Probability (%)

0
0
0
0
1
1
0
2
1
0
0
0
4
20
30
30
30
29
23
29
35
19
39
52

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
0.2

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

19
18
17
17
16
15
14
13
11
9
9
9
9
9
9
10
10
12
13
14
14
15
15
15

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

43
47
49
49
50
50
55
66
80
84
82
84
84
85
81
80
77
67
60
52
48
46
42
40

Pressure (mb)

1009
1009
1008
1008
1008
1008
1008
1008
1008
1008
1008
1007
1007
1007
1007
1007
1007
1007
1007
1007
1007
1007
1006
1006

Ozone (du)

351
352
353
354
355
354
354
353
353
353
353
353
353
354
355
356
357
357
358
358
359
360
361
362

Monday 1

Waning Gibbous 98%

01:06

04:07

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
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad

Sun - Rise: 04:07, Set: 22:31, Transit: 13:20. Moon - Rise: 01:06, Set: 04:07. Civil Dark: 23:58 - 02:39. Nautical Dark: N/A - N/A. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

72
71
74
73
82
91
99
99
99
99
94
89
76
56
50
57
67
76
86
88
85
82
86
89

Low Clouds (% Sky Obscured)

72
71
74
73
82
88
86
82
78
73
77
79
69
48
39
42
51
60
71
70
68
59
57
36

Medium Clouds (% Sky Obscured)

72
71
74
73
80
85
80
74
72
71
56
45
28
18
9
0
4
7
11
35
62
82
86
84

High Clouds (% Sky Obscured)

72
71
74
73
82
91
99
78
57
43
26
13
1
2
3
4
6
3
0
0
0
5
0
0

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 (%)

52
48
53
50
52
46
24
14
7
5
17
16
11
14
5
2
3
0
0
0
0
0
0
0

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

Chance of Frost

Temperature (°C)

15
15
15
15
14
14
14
13
13
13
12
12
11
10
11
11
12
13
14
16
17
18
19
19

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

39
39
39
39
39
43
47
50
52
53
55
58
61
66
65
64
63
57
51
47
43
39
36
36

Pressure (mb)

1007
1007
1006
1006
1006
1006
1006
1007
1007
1007
1007
1007
1007
1007
1008
1008
1008
1008
1008
1008
1009
1009
1009
1009

Ozone (du)

362
363
363
364
364
364
364
365
365
365
365
365
365
365
366
368
369
369
368
368
368
369
369
371

Tuesday 2

Waning Gibbous 94%

01:36

05:24

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
08 Bad

Sun - Rise: 04:06, Set: 22:33, Transit: 13:20. Moon - Rise: 01:36, Set: 05:24. Civil Dark: 00:01 - 02:36. Nautical Dark: N/A - N/A. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

92
88
83
78
83
88
92
95
97
98
98
98
99
99
100
100
100
100
99

Low Clouds (% Sky Obscured)

26
18
13
8
13
19
22
16
8
6
23
41
59
62
69
76
76
72
67

Medium Clouds (% Sky Obscured)

82
76
71
61
68
77
86
72
55
38
35
47
53
68
73
77
64
43
22

High Clouds (% Sky Obscured)

2
19
37
56
41
27
12
42
71
98
98
98
99
99
100
100
97
93
90

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

0
0
0
0
0
1
1
7
8
4
11
24
43
69
83
84
74
52
11

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.5
0.5
0.4
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

20
20
20
20
19
18
17
15
14
13
11
11
11
11
12
12
12
13
14

Feels Like (°C)

16
16
18
17
17
17
16
17
12
13
13
13
12
12
10
10
10
10
9

Dew Point (°C)

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

Relative Humidity (%)

36
36
36
37
39
45
54
65
69
76
83
83
81
81
80
79
76
70
62

Pressure (mb)

1009
1009
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1007
1007
1007
1006
1006
1006
1006

Ozone (du)

372
374
372
370
369
369
368
368
368
367
366
366
365
365
363
362
361
359
358

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

Generated: 27/05/26 14:42:21. Forecast: 27/05/26 to 02/06/26. Timezone: UTC+3.00