Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 25

Waxing Gibbous 82%

16:39

02:51

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

Sun - Rise: 04:18, Set: 22:18, Transit: 13:19. Moon - Rise: 16:39, Set: 02:51. Civil Dark: 23:34 - 03:01. Nautical Dark: N/A - N/A. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

8
6
5
4
0
0
0
0
0
0
0
0
40
70
69
80
78
81
80
78
73
79
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
5
5
13
32
54
72
68
64
56
59
25
2

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
25
57
49
37
34
38
13
1
0
7
100
100

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
20
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 (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
2
13
20
26
30
26
5
2
3
3
1

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)

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

Chance of Frost

Temperature (°C)

12
11
10
9
9
8
8
8
8
10
12
13
15
16
17
17
18
18
17
17
16
16
14
13

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

46
49
53
57
57
59
61
61
61
57
48
39
35
32
30
31
31
30
31
33
39
40
48
55

Pressure (mb)

1014
1014
1014
1014
1014
1013
1013
1013
1013
1012
1012
1012
1011
1010
1010
1009
1009
1008
1008
1007
1006
1006
1006
1006

Ozone (du)

377
378
379
379
385
388
389
392
392
390
388
388
389
389
389
389
392
394
394
394
395
395
392
392

Tuesday 26

Waxing Gibbous 82%

18:06

02:50

22 Bad
23 Bad
00 Bad
01 OK
02 OK
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
18 Bad
19 Bad
20 Bad
21 Bad

Sun - Rise: 04:17, Set: 22:20, Transit: 13:19. Moon - Rise: 18:06, Set: 02:50. Civil Dark: 23:37 - 02:58. Nautical Dark: N/A - N/A. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

78
92
65
31
30
67
86
97
80
99
100
69
91
92
98
97
100
98
96
95
100
96
100
100

Low Clouds (% Sky Obscured)

0
0
37
4
26
55
46
35
49
89
78
59
34
47
37
59
49
47
31
35
37
33
0
7

Medium Clouds (% Sky Obscured)

62
92
65
24
2
15
70
91
70
57
53
0
53
78
85
88
100
96
91
88
98
92
99
100

High Clouds (% Sky Obscured)

7
2
5
0
0
0
6
1
1
7
0
11
15
47
83
43
89
47
21
15
61
27
62
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
Light Rain
Very Light Rain
None
None
None
Very Light Rain
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
1
5
8
6
6
7
32
66
44
13
24
23
48
36
40
26
11
4
1
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0.4
0.2
0
0
0
0.3
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

60
64
66
68
75
79
84
82
79
77
80
72
41
37
37
43
40
30
29
31
35
37
38
38

Pressure (mb)

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

Ozone (du)

394
396
397
399
399
398
397
398
397
395
395
395
395
394
392
390
390
390
390
391
392
392
392
391

Wednesday 27

Waxing Gibbous 89%

19:36

02:50

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
18 OK
19 Bad
20 Bad
21 Bad

Sun - Rise: 04:15, Set: 22:22, Transit: 13:19. Moon - Rise: 19:36, 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)

97
97
80
80
83
99
89
92
98
98
77
88
93
100
100
100
100
98
88
59
16
75
88
70

Low Clouds (% Sky Obscured)

10
1
1
1
11
7
12
11
47
26
5
5
5
17
5
66
5
37
40
48
0
0
0
0

Medium Clouds (% Sky Obscured)

90
89
80
80
83
91
89
73
97
98
77
87
93
99
100
100
100
90
71
25
16
75
86
60

High Clouds (% Sky Obscured)

66
61
16
24
20
90
24
34
4
2
40
3
40
72
25
18
20
0
1
18
10
9
14
15

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
8
3
5
3
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
6
25
24
22
15
14
4
1
2
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)

6
10
10
10
11
10
9
9
10
11
13
15
15
16
18
16
16
15
15
15
15
14
14
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

38
38
42
44
48
50
51
54
55
56
74
69
65
60
57
54
55
52
48
44
45
48
48
48

Pressure (mb)

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

Ozone (du)

391
391
391
391
391
392
393
394
397
399
400
400
401
401
405
406
405
403
396
393
390
388
387
384

Thursday 28

Waxing Gibbous 94%

21:08

02:51

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

Sun - Rise: 04:13, Set: 22:24, Transit: 13:19. Moon - Rise: 21:08, 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)

52
34
23
11
0
0
0
0
0
0
0
30
59
89
74
62
48
48
51
51
46
40
34
41

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
10
19
32
36
40
44
44
45
38
37
39
34
41

Medium Clouds (% Sky Obscured)

46
34
23
11
0
0
0
0
0
0
0
25
48
67
48
41
30
3
2
20
0
0
0
6

High Clouds (% Sky Obscured)

20
30
23
11
0
0
0
0
0
0
0
1
2
0
1
2
22
7
11
16
11
6
0
8

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
5
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
1
4
3
0
0
0
0
0
0
0
0
0
2
9
4
11
1
5
11
7
5
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-1
-1
-1
-1
-2
-3
-3
-3
-3
-1
1
1
1
3
4
5
7
7
7
8
8
8
8
7

Relative Humidity (%)

48
52
53
53
51
48
47
49
50
51
53
50
51
56
61
62
73
72
72
80
83
85
85
82

Pressure (mb)

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

Ozone (du)

381
379
377
375
373
373
375
375
375
376
377
377
377
376
375
374
381
390
389
384
383
384
385
385

Friday 29

Waxing Gibbous 98%

No Rise

02:54

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
18 Bad
19 OK
20 OK
21 OK

Sun - Rise: 04:11, Set: 22:26, Transit: 13:20. Moon - Rise: No Rise, 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)

50
60
74
85
82
98
98
96
99
99
99
99
100
100
100
100
100
91
81
60
45
33
23
34

Low Clouds (% Sky Obscured)

32
25
32
25
37
53
66
86
95
97
95
82
72
59
52
45
38
35
31
28
26
24
22
28

Medium Clouds (% Sky Obscured)

12
19
32
43
67
88
85
86
61
61
66
65
65
65
70
75
75
59
43
30
21
11
0
11

High Clouds (% Sky Obscured)

15
34
23
13
1
29
53
72
52
37
17
16
17
21
47
74
100
70
43
20
35
14
7
3

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

Precipitation Probability (%)

0
0
3
5
7
21
30
38
50
60
66
63
61
57
49
36
13
17
11
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0.2
0.3
0.4
0.4
0.4
0.3
0.2
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

5
4
4
4
3
4
3
3
5
5
5
5
6
8
8
10
11
11
11
12
12
12
12
12

Dew Point (°C)

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

Relative Humidity (%)

82
82
84
85
91
94
91
88
75
68
64
58
53
45
40
36
33
28
27
27
25
30
35
42

Pressure (mb)

1010
1010
1009
1009
1009
1009
1008
1008
1007
1007
1007
1006
1006
1005
1005
1005
1004
1004
1003
1003
1003
1003
1003
1002

Ozone (du)

382
372
366
363
359
357
354
352
353
355
356
355
354
351
350
350
349
348
350
351
352
353
354
355

Saturday 30

Waxing Gibbous 100%

22:40

03:02

22 OK
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
18 Bad
19 Bad
20 Bad
21 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)

46
57
62
63
61
57
56
51
62
74
84
90
95
99
98
97
92
79
77
79
83
86
84
74

Low Clouds (% Sky Obscured)

34
40
27
13
0
7
14
20
37
53
77
76
76
76
60
42
23
19
20
22
15
8
1
1

Medium Clouds (% Sky Obscured)

22
31
44
58
61
57
56
51
52
49
40
50
63
75
75
80
75
65
52
31
41
66
84
74

High Clouds (% Sky Obscured)

2
1
1
0
0
0
0
0
0
0
0
4
8
4
11
10
12
7
7
8
9
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 (%)

0
0
3
4
4
6
7
5
12
14
15
17
18
18
19
17
11
9
6
0
1
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
8
7
7
7
6
6
6
6
7
8
10
10
11
12
12
13
13
13
12
12
11
9
8

Chance of Frost

Temperature (°C)

10
9
7
7
6
5
6
6
7
8
10
11
12
13
15
16
17
17
17
17
16
15
14
13

Feels Like (°C)

9
10
10
10
9
8
4
4
5
4
4
4
11
11
11
12
13
14
15
15
14
14
15
15

Dew Point (°C)

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

Relative Humidity (%)

47
53
58
64
67
71
68
67
65
57
52
46
44
43
41
40
39
37
37
36
36
43
50
58

Pressure (mb)

1003
1003
1003
1003
1003
1003
1003
1003
1003
1003
1003
1003
1003
1003
1004
1004
1004
1004
1004
1004
1004
1004
1005
1005

Ozone (du)

359
363
367
367
366
365
363
361
359
358
357
356
356
356
357
357
358
358
359
360
361
360
359
359

Sunday 31

Full Moon 100%

00:05

03:21

22 Bad
23 OK
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
18 Bad
19 Bad
20 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)

50
32
54
75
96
91
85
79
81
82
84
70
55
44
51
57
64
59
55
50
35
33
25

Low Clouds (% Sky Obscured)

0
0
10
16
23
27
31
35
39
48
58
53
47
39
40
40
40
39
41
42
35
33
25

Medium Clouds (% Sky Obscured)

50
32
54
49
47
63
78
79
81
82
79
70
55
44
51
43
36
34
34
32
21
18
15

High Clouds (% Sky Obscured)

0
4
0
0
5
5
0
0
0
0
0
3
6
9
6
3
0
0
0
0
0
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

Fog (%)

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

Precipitation Probability (%)

0
0
2
3
4
18
20
12
18
15
12
22
23
20
20
19
6
17
22
22
25
31
37

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

64
69
75
77
80
82
82
84
85
76
67
60
56
52
48
48
49
49
57
67
78
83
89

Pressure (mb)

1005
1005
1005
1005
1005
1004
1004
1004
1004
1004
1004
1004
1005
1005
1005
1005
1005
1005
1005
1006
1006
1006
1006

Ozone (du)

360
361
362
361
360
359
359
359
359
360
362
363
363
363
362
362
361
361
361
361
361
362
363

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

Generated: 25/05/26 22:54:11. Forecast: 25/05/26 to 31/05/26. Timezone: UTC+3.00