Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 18

Waxing Crescent 4%

05:09

01:56

06 Good
07 OK
08 OK
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

Sun - Rise: 04:32, Set: 22:02, Transit: 13:18. Moon - Rise: 05:09, Set: 01:56. Civil Dark: 23:10 - 03:24. Nautical Dark: N/A - N/A. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

4
18
25
56
99
100
100
100
100
100
100
100
100
100
100
100
100
100
95
100
100
100
100
100

Low Clouds (% Sky Obscured)

3
0
0
0
0
0
0
0
0
0
0
0
1
0
1
25
35
45
35
35
40
35
33
37

Medium Clouds (% Sky Obscured)

0
0
0
0
35
60
57
45
43
57
100
100
100
100
100
100
100
100
91
100
100
100
100
100

High Clouds (% Sky Obscured)

4
18
25
56
99
100
100
100
100
100
100
80
100
100
100
100
96
100
56
52
100
100
100
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
4
8

Fog (%)

93
13
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
Light Rain
None
None
None
Light Rain
Light Rain
None

Precipitation Probability (%)

2
3
1
0
0
0
0
0
0
0
0
0
0
3
18
49
56
68
44
46
58
77
74
54

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.4
0
0
0
0.5
0.4
0

Wind Speed/Direction (mph)

3
3
3
3
4
4
4
4
5
5
5
5
4
3
1
2
2
4
5
9
9
11
12
11

Chance of Frost

Temperature (°C)

5
8
10
12
14
16
17
18
18
19
19
18
17
16
15
14
12
12
11
11
11
12
12
11

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

83
71
61
52
45
38
33
31
29
28
29
33
40
50
55
58
72
79
87
88
90
88
88
92

Pressure (mb)

1021
1021
1021
1021
1021
1021
1021
1021
1020
1020
1019
1019
1019
1019
1019
1019
1019
1018
1018
1018
1017
1016
1015
1015

Ozone (du)

384
380
378
377
374
370
367
365
362
361
362
362
362
363
365
364
364
364
365
366
366
366
365
365

Tuesday 19

Waxing Crescent 11%

No Rise

02:33

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
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad

Sun - Rise: 04:30, Set: 22:05, Transit: 13:18. Moon - Rise: No Rise, Set: 02:33. Civil Dark: 23:13 - 03:20. Nautical Dark: N/A - N/A. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
97
99
99
79
81
100
100
98
98
96
98
97
99
97
97
98
100
100

Low Clouds (% Sky Obscured)

46
59
77
53
45
27
26
44
64
33
46
51
57
56
58
64
73
80
78
71
83
95
100
100

Medium Clouds (% Sky Obscured)

100
100
92
95
100
91
83
98
74
30
26
83
83
80
80
73
78
71
78
71
73
40
60
52

High Clouds (% Sky Obscured)

100
100
100
100
100
100
56
82
75
21
31
95
90
68
77
22
14
20
35
35
37
20
44
45

ISS Passover

Visibility (miles)

9
9
9
9
9
7
8
9
9
9
9
9
9
9
1
0
7
7
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
0
12
100
74
8

Precipitation Type

Very Light Rain
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 (%)

66
49
26
10
11
28
26
15
7
18
12
4
1
5
5
5
5
2
2
1
0
0
1
1

Precipitation Amount (mm)

0.3
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
7
5
5
7
9
9
8
7
6
6
5
5
6
5
4
4
4
4
4
4
5
5
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

9
10
11
12
14
14
13
15
15
17
18
17
18
17
15
13
12
11
10
10
9
8
7
7

Dew Point (°C)

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

Relative Humidity (%)

93
92
90
89
87
86
86
85
85
77
81
88
83
85
93
96
95
96
95
92
91
90
88
87

Pressure (mb)

1014
1014
1013
1013
1013
1013
1013
1013
1013
1013
1014
1013
1013
1014
1014
1015
1015
1016
1016
1016
1017
1017
1018
1018

Ozone (du)

363
363
363
362
363
364
364
362
362
364
363
362
361
361
360
361
361
361
362
363
361
360
359
360

Wednesday 20

Waxing Crescent 20%

06:49

02:46

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
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad

Sun - Rise: 04:28, Set: 22:07, Transit: 13:19. Moon - Rise: 06:49, Set: 02:46. Civil Dark: 23:17 - 03:17. Nautical Dark: N/A - N/A. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
100
100
99
82
50
63
78
87
88
79
72
94
78
98
100
100
100
100
92
91
94
97
100

Low Clouds (% Sky Obscured)

100
100
100
96
65
45
63
68
55
65
56
50
52
58
65
22
41
44
33
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
40
15
20
37
33
26
52
19
34
25
48
23
62
63
68
77
85
78
77
80
82
80

High Clouds (% Sky Obscured)

29
8
2
80
75
50
30
7
30
38
1
0
0
0
30
81
80
80
90
61
4
3
1
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 (%)

2
1
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 (%)

4
1
0
0
0
0
0
1
1
0
0
0
0
1
4
13
3
23
30
18
1
5
8
13

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
4
4
6
6
6
5
6
5
6
6
7
7
7
7
6
5
4
4
4
4
4
4
4

Chance of Frost

Temperature (°C)

10
10
11
12
13
15
17
19
19
20
20
20
20
19
17
15
13
12
11
11
11
10
10
10

Feels Like (°C)

7
8
8
9
11
15
17
19
19
19
19
19
19
18
17
15
13
12
11
11
11
10
10
10

Dew Point (°C)

8
8
8
8
8
7
7
7
6
6
6
6
6
6
7
8
8
7
7
7
6
6
6
6

Relative Humidity (%)

85
84
80
76
70
57
49
46
42
40
40
39
40
43
50
60
72
72
75
73
74
74
76
77

Pressure (mb)

1019
1019
1020
1020
1020
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1022
1022
1022
1022
1022
1022
1022

Ozone (du)

362
363
363
363
362
360
359
358
357
355
354
352
352
352
352
352
354
354
354
355
355
356
360
364

Thursday 21

Waxing Crescent 30%

08:42

02:50

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

Sun - Rise: 04:26, Set: 22:09, Transit: 13:19. Moon - Rise: 08:42, Set: 02:50. Civil Dark: 23:20 - 03:14. Nautical Dark: N/A - N/A. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
99
99
70
41
11
38
64
91
67
42
18
18
23
22
15
20
16
24
31
39
45
52
61

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
16
33
49
36
23
12
11
8
3
1
4
9
10
15
25
31
27
17

Medium Clouds (% Sky Obscured)

85
84
89
63
39
11
34
55
76
56
34
14
15
17
16
13
20
16
24
31
39
45
52
61

High Clouds (% Sky Obscured)

21
42
43
32
20
2
0
0
0
0
0
0
0
0
0
0
12
15
10
5
10
10
20
5

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
3
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
Very Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
Very Light Rain
Light Rain
None

Precipitation Probability (%)

38
56
66
51
27
6
3
0
0
0
0
0
0
0
0
0
0
5
26
34
40
65
77
43

Precipitation Amount (mm)

0
0.3
0.4
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.5
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

11
12
14
15
16
18
19
20
20
21
20
20
20
18
17
16
14
12
11
11
10
10
10
9

Feels Like (°C)

12
13
15
16
16
17
18
18
20
19
20
19
18
16
15
15
14
11
10
10
8
9
9
9

Dew Point (°C)

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

Relative Humidity (%)

75
66
61
56
50
46
43
41
41
43
45
46
49
57
61
67
79
80
77
80
85
90
96
98

Pressure (mb)

1022
1022
1022
1022
1022
1022
1022
1021
1021
1021
1021
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020

Ozone (du)

364
363
361
360
359
358
358
358
357
358
362
367
369
368
365
364
364
362
361
364
366
368
370
375

Friday 22

Waxing Crescent 42%

10:31

02:52

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 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad

Sun - Rise: 04:24, Set: 22:11, Transit: 13:19. Moon - Rise: 10:31, Set: 02:52. Civil Dark: 23:24 - 03:11. Nautical Dark: N/A - N/A. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

70
79
73
74
71
81
88
80
73
58
46
37
24
22
28
67
60
55
68
87
93
78
61
42

Low Clouds (% Sky Obscured)

22
20
11
14
18
27
39
43
49
42
31
22
15
7
0
59
57
55
64
74
87
68
47
30

Medium Clouds (% Sky Obscured)

70
41
45
48
50
70
80
69
57
44
46
37
6
4
0
20
17
17
18
13
4
3
1
0

High Clouds (% Sky Obscured)

1
2
3
3
4
5
4
13
9
4
1
1
0
0
4
4
4
4
3
0
0
1
1
0

ISS Passover

Visibility (miles)

9
9
9
5
4
9
6
9
7
4
7
4
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
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

29
12
14
29
35
32
27
36
50
51
44
36
33
16
12
32
18
2
11
10
4
3
1
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
96
93
80
74
66
68
83
77
71
83
82
90
87
90
92
93
95
96
95
95
95
95
93

Pressure (mb)

1020
1020
1020
1020
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1018
1018
1018
1019
1019
1019
1019
1020

Ozone (du)

381
387
390
391
390
390
389
389
388
386
387
387
387
387
383
379
374
369
363
362
360
359
359
359

Saturday 23

First Quarter 53%

12:11

02:52

06 Bad
07 OK
08 OK
09 OK
10 Good
11 Good
12 OK
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

Sun - Rise: 04:22, Set: 22:13, Transit: 13:19. Moon - Rise: 12:11, Set: 02:52. Civil Dark: 23:27 - 03:07. Nautical Dark: N/A - N/A. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

45
48
30
19
8
4
27
52
76
83
89
95
91
88
83
90
96
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

38
44
30
19
8
4
17
29
41
58
72
89
62
38
14
18
29
35
33
34
27
47
69
91

Medium Clouds (% Sky Obscured)

0
0
0
1
1
1
19
36
56
60
66
68
34
16
3
8
9
11
40
69
98
98
99
99

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
2
2
6
21
36
45
57
72
86
100
100
100
100
95
89
84

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
7
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
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
0
0
1
3
2
3
2
0
0
0
0
0
0
0
0
1
1
16
36
56

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)

7
7
7
8
8
9
10
10
10
10
9
9
10
9
8
7
7
6
5
5
5
6
5
5

Chance of Frost

Temperature (°C)

10
12
13
14
16
18
20
20
20
20
20
20
20
19
18
16
14
13
11
11
11
11
11
11

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
84
80
75
64
55
48
49
49
51
52
51
52
55
60
63
67
72
78
80
80
80
85
88

Pressure (mb)

1020
1020
1021
1021
1021
1021
1021
1020
1020
1020
1020
1019
1019
1019
1019
1019
1019
1018
1018
1018
1017
1016
1016
1015

Ozone (du)

359
360
361
361
362
363
364
364
364
364
364
365
366
364
362
360
358
357
355
355
356
356
356
355

Sunday 24

Waxing Gibbous 63%

13:44

02:51

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 OK
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad

Sun - Rise: 04:20, Set: 22:16, Transit: 13:19. Moon - Rise: 13:44, Set: 02:51. Civil Dark: 23:30 - 03:04. Nautical Dark: N/A - N/A. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

98
92
87
80
77
73
73
73
74
83
91
100
78
53
30
43
54
67
78
89
100

Low Clouds (% Sky Obscured)

92
91
87
80
75
65
60
55
53
44
28
20
20
35
30
43
54
55
63
65
68

Medium Clouds (% Sky Obscured)

96
92
87
80
77
73
64
34
5
3
2
2
2
2
0
4
9
13
36
58
80

High Clouds (% Sky Obscured)

66
47
30
20
15
15
19
26
36
57
79
100
74
48
22
32
42
52
68
84
100

ISS Passover

Visibility (miles)

3
2
1
0
0
0
0
2
3
5
6
8
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

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
None
None

Precipitation Probability (%)

77
95
95
95
95
95
73
53
43
37
35
29
27
22
17
17
12
2
8
10
13

Precipitation Amount (mm)

0.4
0.7
1
1.1
1.2
0.8
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

5
6
7
7
8
9
10
9
9
9
9
9
9
8
8
7
6
6
5
6
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

10
10
10
10
11
11
11
12
13
13
13
13
13
13
12
13
12
12
12
11
10

Relative Humidity (%)

93
96
96
96
96
95
95
95
95
93
95
95
96
96
96
98
96
96
96
96
96

Pressure (mb)

1015
1014
1014
1014
1013
1013
1013
1013
1013
1013
1013
1013
1014
1014
1014
1014
1014
1015
1015
1014
1014

Ozone (du)

355
354
353
353
356
360
363
364
366
367
366
366
365
364
363
362
363
364
366
366
367

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

Generated: 18/05/26 06:49:06. Forecast: 18/05/26 to 24/05/26. Timezone: UTC+3.00