Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 1

Waxing Gibbous 97%

15:53

07:10

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

Sun - Rise: 07:24, Set: 18:21, Transit: 12:54. Moon - Rise: 15:53, Set: 07:10. Civil Dark: 18:55 - 06:50. Nautical Dark: 19:34 - 06:11. Astro Dark: 20:14 - 05:31

Total Clouds (% Sky Obscured)

65
74
79
81
100
95
94
99
99
97
96
92
78
70
65
43
31
35
33
15
40
39
22
17

Low Clouds (% Sky Obscured)

65
74
79
81
100
93
92
98
79
71
75
49
58
11
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

48
43
50
81
77
65
43
45
46
44
48
40
27
25
26
18
17
16
16
8
18
17
9
5

High Clouds (% Sky Obscured)

17
74
79
17
0
0
0
0
1
4
13
19
21
24
22
25
21
27
20
10
10
20
20
17

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
0
0
40
45
37
19
15
3
5
5
5
0
0
0
0
0
0
0
0
0
0
0
3

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)

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

Chance of Frost

Temperature (°C)

12
12
11
10
9
9
9
9
9
9
9
9
9
8
8
7
7
6
6
6
7
8
10
12

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

64
61
69
71
74
77
77
80
80
80
77
74
72
71
75
77
79
81
79
79
74
69
60
55

Pressure (mb)

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

Ozone (du)

402
403
401
400
399
394
393
395
394
394
394
393
393
394
396
396
397
397
397
396
396
392
392
393

Monday 2

Waxing Gibbous 100%

17:18

07:23

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

Sun - Rise: 07:22, Set: 18:23, Transit: 12:53. Moon - Rise: 17:18, Set: 07:23. Civil Dark: 18:57 - 06:48. Nautical Dark: 19:36 - 06:09. Astro Dark: 20:16 - 05:29

Total Clouds (% Sky Obscured)

15
25
17
1
5
1
7
8
12
13
51
52
32
34
13
1
0
0
1
11
0
1
12
19

Low 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
0
15

Medium Clouds (% Sky Obscured)

1
0
0
0
0
0
4
5
10
11
38
43
26
25
10
1
0
0
1
9
0
1
9
12

High Clouds (% Sky Obscured)

15
25
17
1
5
1
1
0
0
0
0
0
0
0
0
0
0
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
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)

12
12
11
9
8
7
7
7
7
7
7
6
6
6
5
5
5
5
5
5
5
5
5
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

50
48
47
49
53
62
67
71
72
76
81
84
85
85
87
88
87
87
87
87
81
72
66
60

Pressure (mb)

1019
1019
1018
1018
1018
1019
1019
1020
1020
1021
1021
1021
1021
1021
1022
1022
1022
1023
1023
1023
1024
1025
1025
1025

Ozone (du)

393
395
393
393
394
397
397
399
399
398
400
400
401
401
401
400
400
401
400
401
402
404
405
405

Tuesday 3

Full Moon 100%

18:40

07:33

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

Sun - Rise: 07:19, Set: 18:25, Transit: 12:53. Moon - Rise: 18:40, Set: 07:33. Civil Dark: 18:59 - 06:46. Nautical Dark: 19:38 - 06:06. Astro Dark: 20:18 - 05:27

Total Clouds (% Sky Obscured)

34
32
62
56
27
25
53
34
48
60
59
70
90
96
100
100
100
100
97
93
89
69
54
39

Low Clouds (% Sky Obscured)

19
30
22
23
27
24
4
24
45
51
57
68
80
76
85
85
85
90
85
90
89
69
54
39

Medium Clouds (% Sky Obscured)

22
6
46
38
2
1
41
15
2
12
5
5
5
12
3
3
5
2
15
23
6
2
3
3

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
5
4
1
9
51
60
45
45
45
48
44
42
35
16
11
4

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
2
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)

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

Chance of Frost

Temperature (°C)

14
15
16
15
14
13
11
10
10
9
8
8
8
8
8
7
7
7
7
7
7
8
9
10

Feels Like (°C)

15
15
16
16
15
12
11
10
8
8
8
8
7
7
6
6
5
5
5
6
7
7
9
10

Dew Point (°C)

6
6
6
6
6
6
6
5
5
5
5
5
6
5
6
5
6
6
5
6
5
4
4
4

Relative Humidity (%)

56
53
52
53
57
63
68
69
70
75
78
82
85
85
87
87
88
90
90
91
85
78
72
66

Pressure (mb)

1025
1026
1026
1026
1026
1026
1027
1027
1027
1028
1028
1028
1028
1028
1028
1028
1028
1028
1028
1028
1028
1028
1028
1028

Ozone (du)

406
405
404
402
401
399
398
397
397
397
397
396
395
393
390
389
387
386
385
385
387
391
392
392

Wednesday 4

Waning Gibbous 97%

19:58

07:43

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

Sun - Rise: 07:17, Set: 18:27, Transit: 12:53. Moon - Rise: 19:58, Set: 07:43. Civil Dark: 19:01 - 06:43. Nautical Dark: 19:40 - 06:04. Astro Dark: 20:19 - 05:24

Total Clouds (% Sky Obscured)

34
28
21
15
8
1
0
0
0
2
4
7
6
6
6
6
7
7
5
2
0
0
0
0

Low Clouds (% Sky Obscured)

34
28
19
12
6
0
0
0
0
2
4
7
6
6
6
6
7
7
5
2
0
0
0
0

Medium Clouds (% Sky Obscured)

3
3
3
3
4
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

4
3
2
2
1
1
0
0
0
0
0
0
0
0
0
0
0
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
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

62
60
59
59
62
71
76
80
83
84
82
82
82
84
84
84
84
85
85
84
78
69
61
56

Pressure (mb)

1027
1027
1026
1025
1025
1025
1025
1025
1024
1024
1024
1024
1024
1023
1023
1022
1022
1022
1021
1021
1021
1021
1021
1020

Ozone (du)

392
392
392
392
392
393
394
395
396
398
398
399
399
399
398
396
395
395
395
392
390
388
388
388

Thursday 5

Waning Gibbous 93%

21:15

07:54

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

Sun - Rise: 07:15, Set: 18:29, Transit: 12:53. Moon - Rise: 21:15, Set: 07:54. Civil Dark: 19:02 - 06:41. Nautical Dark: 19:42 - 06:02. Astro Dark: 20:21 - 05:22

Total Clouds (% Sky Obscured)

0
0
0
0
0
1
1
9
15
15
2
1
24
47
77
89
94
98
99
99
99
98
98
98

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
23
47
70
80
89
98
97
96
95
91
88
84

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
1
15
2
1
9
12
12
9
8
9
10
10
25
42
53
59

High Clouds (% Sky Obscured)

0
0
0
0
0
0
1
4
5
3
0
0
2
3
5
8
12
16
22
29
35
25
15
10

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
Light Rain
Light Rain
Very Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
7
15
14
38
51
59
74
68
47

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.4
0.4
0.2

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

13
14
14
14
14
12
11
9
8
8
8
9
8
8
8
8
8
8
7
5
5
5
5
5

Dew Point (°C)

5
5
4
5
5
6
5
5
4
4
5
5
5
6
6
6
6
6
6
6
5
5
5
5

Relative Humidity (%)

52
47
45
48
52
60
62
63
60
64
69
73
77
80
81
82
85
85
87
82
77
73
68
65

Pressure (mb)

1020
1019
1018
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1016
1016
1017
1017
1017
1018
1018
1019
1020
1020

Ozone (du)

388
391
394
400
402
400
398
397
398
400
401
402
402
400
397
395
393
391
388
387
387
386
387
388

Friday 6

Waning Gibbous 87%

22:31

08:06

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

Sun - Rise: 07:13, Set: 18:30, Transit: 12:52. Moon - Rise: 22:31, Set: 08:06. Civil Dark: 19:04 - 06:39. Nautical Dark: 19:43 - 06:00. Astro Dark: 20:23 - 05:20

Total Clouds (% Sky Obscured)

97
96
95
96
96
96
97
99
100
100
100
100
100
100
99
96
93
89
85
79
73
72
75
66

Low Clouds (% Sky Obscured)

85
86
87
86
86
86
84
82
84
85
86
82
77
72
67
55
45
37
36
35
38
42
49
55

Medium Clouds (% Sky Obscured)

55
51
47
51
56
61
73
86
98
99
99
100
88
78
71
65
60
54
51
47
44
49
59
66

High Clouds (% Sky Obscured)

8
7
15
25
35
35
70
85
100
85
71
46
26
16
5
5
0
4
2
5
8
37
63
66

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
6

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 (%)

30
29
34
41
47
50
41
26
36
36
27
28
29
23
20
23
18
7
16
7
2
6
7
5

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

5
10
10
10
11
11
12
8
8
8
8
8
8
6
6
6
6
6
5
6
6
7
8
8

Dew Point (°C)

5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5

Relative Humidity (%)

61
61
61
60
64
69
74
76
76
77
80
81
82
84
84
85
87
87
87
82
77
73
67
61

Pressure (mb)

1021
1021
1022
1022
1023
1023
1024
1024
1025
1025
1025
1025
1025
1025
1026
1026
1026
1026
1026
1027
1027
1027
1027
1027

Ozone (du)

388
391
393
396
396
395
395
396
397
397
398
398
398
398
398
398
398
398
398
397
396
395
394
393

Saturday 7

Waning Gibbous 79%

23:48

08:21

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 OK
03 OK
04 Bad
05 Bad
06 Bad

Sun - Rise: 07:10, Set: 18:32, Transit: 12:52. Moon - Rise: 23:48, Set: 08:21. Civil Dark: 19:06 - 06:37. Nautical Dark: 19:45 - 05:57. Astro Dark: 20:25 - 05:17

Total Clouds (% Sky Obscured)

71
73
78
77
79
81
74
70
70
70
66
62
53
43
32
51
69
89

Low Clouds (% Sky Obscured)

61
69
75
65
56
45
35
25
16
18
21
23
24
23
23
34
50
63

Medium Clouds (% Sky Obscured)

70
65
60
60
45
30
24
23
27
22
17
15
11
6
0
6
12
22

High Clouds (% Sky Obscured)

71
51
39
51
63
66
28
14
0
22
46
62
53
43
32
51
69
50

ISS Passover

Visibility (miles)

4
3
3
2
3
3
4
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

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

11
15
17
23
26
26
18
10
5
3
1
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

Wind Speed/Direction (mph)

3
4
4
4
3
3
4
4
4
4
4
4
4
4
4
4
4
4

Chance of Frost

Temperature (°C)

13
13
13
13
11
9
8
8
8
8
7
7
7
7
7
7
7
6

Feels Like (°C)

8
14
14
13
13
13
13
7
7
8
7
7
8
5
6
6
6
5

Dew Point (°C)

5
4
4
4
3
4
4
4
5
5
5
4
4
4
5
5
5
4

Relative Humidity (%)

56
55
55
54
59
67
75
78
79
82
82
82
82
84
85
87
87
88

Pressure (mb)

1027
1027
1027
1026
1027
1027
1027
1027
1027
1027
1027
1027
1027
1027
1026
1026
1026
1026

Ozone (du)

392
390
389
388
388
388
388
388
387
387
386
386
386
386
385
385
385
385

Forecast for Leiden, Gemeente Leiden, Netherlands (52.16,4.50)

Generated: 01/03/26 13:57:17. Forecast: 01/03/26 to 07/03/26. Timezone: UTC+1.00