Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 25

Waxing Gibbous 99%

18:54

05:49

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

Sun - Rise: 07:31, Set: 19:30, Transit: 13:30. Moon - Rise: 18:54, Set: 05:49. Civil Dark: 20:04 - 06:57. Nautical Dark: 20:44 - 06:17. Astro Dark: 21:25 - 05:36

Total Clouds (% Sky Obscured)

21
18
64
72
43
48
5
5
4
0
2
3
0
0
0
0
0
0
0
13
20
55
93
86

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
24
11

Medium Clouds (% Sky Obscured)

3
15
7
2
3
1
0
2
2
0
0
0
0
0
0
0
0
0
0
11
18
36
43
45

High Clouds (% Sky Obscured)

5
18
64
72
34
48
4
5
3
0
2
2
0
0
0
0
0
0
0
0
1
27
80
74

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
1
2

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

Chance of Frost

Temperature (°C)

9
8
9
9
9
11
13
16
18
19
20
21
22
22
21
19
17
16
15
15
14
14
13
13

Feels Like (°C)

8
8
7
7
7
11
12
15
17
18
20
20
21
21
22
20
19
17
17
15
14
14
13
12

Dew Point (°C)

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

Relative Humidity (%)

85
85
84
82
81
75
63
54
47
42
38
38
39
42
53
62
67
69
69
69
67
68
66
66

Pressure (mb)

1023
1022
1022
1022
1022
1022
1022
1022
1021
1020
1020
1019
1019
1019
1018
1018
1018
1018
1018
1018
1018
1017
1017
1017

Ozone (du)

285
285
285
286
285
283
283
282
283
283
283
284
285
286
287
287
288
289
290
290
289
289
288
285

Saturday 26

Full Moon 100%

19:05

07:09

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

Sun - Rise: 07:32, Set: 19:28, Transit: 13:30. Moon - Rise: 19:05, Set: 07:09. Civil Dark: 20:01 - 06:59. Nautical Dark: 20:41 - 06:19. Astro Dark: 21:22 - 05:38

Total Clouds (% Sky Obscured)

78
89
83
98
99
97
98
98
99
100
71
53
42
77
100
100
100
78
93
88
100
100
100
99

Low Clouds (% Sky Obscured)

23
17
4
26
33
32
35
33
48
51
42
25
16
13
25
26
23
30
33
33
18
16
14
14

Medium Clouds (% Sky Obscured)

41
41
56
55
96
93
91
57
40
8
2
4
2
1
1
0
0
0
0
0
30
53
54
43

High Clouds (% Sky Obscured)

56
83
54
48
32
17
69
87
93
100
45
25
25
77
100
100
100
30
85
66
100
100
100
99

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
1
11
16
2
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
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

7
7
7
8
9
11
13
12
12
13
13
13
12
13
13
13
12
12
11
11
11
11
11
11

Relative Humidity (%)

66
69
66
71
75
79
78
71
68
68
68
67
66
70
73
79
84
84
84
87
90
92
93
93

Pressure (mb)

1017
1017
1017
1018
1018
1019
1020
1020
1020
1021
1021
1021
1022
1022
1022
1022
1023
1023
1023
1023
1023
1023
1023
1022

Ozone (du)

283
283
282
282
283
285
288
290
292
294
296
295
296
296
297
298
297
295
294
294
294
294
294
294

Sunday 27

Waning Gibbous 98%

19:18

08:30

04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 OK
12 OK
13 Good
14 OK
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

Sun - Rise: 07:34, Set: 19:25, Transit: 13:30. Moon - Rise: 19:18, Set: 08:30. Civil Dark: 19:59 - 07:00. Nautical Dark: 20:39 - 06:21. Astro Dark: 21:20 - 05:40

Total Clouds (% Sky Obscured)

75
87
91
85
73
87
64
44
38
14
31
71
100
100
100
100
100
100
100
71
62
72
80
87

Low Clouds (% Sky Obscured)

21
33
35
27
20
15
0
0
0
0
0
2
0
0
0
39
0
1
37
3
2
0
4
62

Medium Clouds (% Sky Obscured)

51
39
37
46
28
46
64
35
28
14
31
40
57
40
70
73
82
51
66
58
47
62
70
68

High Clouds (% Sky Obscured)

54
48
46
43
30
25
25
5
2
6
23
51
84
99
100
98
96
100
100
47
57
58
57
60

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
2
14

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

Chance of Frost

Temperature (°C)

12
12
12
11
11
12
14
16
18
19
21
21
22
22
21
19
18
17
17
17
16
16
15
16

Feels Like (°C)

11
10
10
10
10
11
13
15
18
20
20
20
20
20
20
18
18
16
16
15
15
14
14
14

Dew Point (°C)

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

Relative Humidity (%)

95
95
95
96
96
86
74
64
54
48
44
43
45
47
58
64
61
67
66
62
64
64
64
65

Pressure (mb)

1022
1021
1021
1021
1020
1020
1020
1019
1019
1018
1018
1017
1017
1016
1016
1016
1016
1016
1016
1016
1016
1015
1015
1015

Ozone (du)

293
292
291
290
291
291
293
294
294
294
293
294
292
292
290
289
287
287
287
287
286
286
286
286

Monday 28

Waning Gibbous 93%

19:32

09:55

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
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad

Sun - Rise: 07:36, Set: 19:23, Transit: 13:29. Moon - Rise: 19:32, Set: 09:55. Civil Dark: 19:57 - 07:02. Nautical Dark: 20:36 - 06:22. Astro Dark: 21:17 - 05:42

Total Clouds (% Sky Obscured)

95
96
98
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
98
95
93
95
97

Low Clouds (% Sky Obscured)

10
11
71
11
11
6
4
6
11
14
21
48
51
29
61
31
36
13
44
17
21
62
25
23

Medium Clouds (% Sky Obscured)

92
81
88
87
82
75
74
63
48
33
45
77
88
88
90
93
94
96
97
89
56
83
74
48

High Clouds (% Sky Obscured)

55
70
86
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
85
70
52
68
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
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 (%)

2
18
12
17
13
10
4
8
6
0
1
1
0
1
0
1
1
1
0
0
0
0
4
4

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

Chance of Frost

Temperature (°C)

16
16
16
16
16
17
18
19
21
22
23
23
23
23
21
20
18
18
17
17
17
16
17
16

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

72
69
69
66
77
75
69
63
56
53
51
50
56
61
68
71
75
77
77
77
82
85
82
85

Pressure (mb)

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

Ozone (du)

287
286
284
283
284
284
284
285
284
284
284
283
282
283
284
284
285
285
285
285
285
285
286
288

Tuesday 29

Waning Gibbous 91%

19:52

11:24

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 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad

Sun - Rise: 07:37, Set: 19:21, Transit: 13:29. Moon - Rise: 19:52, Set: 11:24. Civil Dark: 19:54 - 07:04. Nautical Dark: 20:34 - 06:24. Astro Dark: 21:15 - 05:44

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
83
65
53
57
68
79
67
56
45
90
94
95
93
93
91
91
87

Low Clouds (% Sky Obscured)

22
19
19
17
10
5
0
0
0
0
0
0
0
0
0
0
0
0
0
1
2
4
4
4

Medium Clouds (% Sky Obscured)

42
36
28
21
16
10
55
6
56
53
57
24
32
51
56
40
86
82
79
78
75
66
57
56

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
74
38
36
47
61
71
67
56
45
88
91
95
91
87
88
91
87

ISS Passover

Visibility (miles)

9
9
9
9
9
9
7
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
4
1
6
17
4
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
6
6
6
7
7
9
9
10
10
9
6
6
5
5
4
3
3
4
4
5
5

Chance of Frost

Temperature (°C)

16
16
16
16
16
17
19
20
23
25
27
27
27
27
25
24
22
21
20
20
19
19
19
19

Feels Like (°C)

15
16
15
15
15
16
19
20
22
23
25
25
26
27
25
24
22
21
20
20
19
19
19
19

Dew Point (°C)

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

Relative Humidity (%)

87
89
90
90
89
81
75
75
51
45
40
40
43
53
61
63
63
63
63
62
61
59
58
59

Pressure (mb)

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

Ozone (du)

288
288
288
288
288
288
289
290
290
289
290
290
290
290
289
288
288
288
287
287
287
287
287
287

Wednesday 30

Waning Gibbous 86%

20:21

12:53

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

Sun - Rise: 07:39, Set: 19:18, Transit: 13:29. Moon - Rise: 20:21, Set: 12:53. Civil Dark: 19:52 - 07:05. Nautical Dark: 20:32 - 06:26. Astro Dark: 21:12 - 05:45

Total Clouds (% Sky Obscured)

84
84
84
80
84
89
99
75
49
24
29
31
40
60
80
100
99
98
97
98
99
100
100
100

Low Clouds (% Sky Obscured)

4
27
49
67
46
26
10
6
3
0
0
0
0
8
16
24
34
39
60
65
65
65
66
72

Medium Clouds (% Sky Obscured)

54
59
65
70
76
80
86
61
38
15
12
9
6
31
57
82
85
89
93
95
96
97
98
99

High Clouds (% Sky Obscured)

84
84
84
80
84
79
78
58
37
14
29
31
40
60
80
100
97
93
90
94
97
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
7
6
5
5
4
3
2
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
Very Light Rain
Very Light Rain
None
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
15
27
44
56
61
54
70
87
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.3
0
0.4
0.6
1
1.3
1.6

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

19
18
18
18
18
20
21
23
24
26
27
27
27
27
25
23
21
20
20
20
20
19
19
19

Feels Like (°C)

18
18
17
17
17
18
18
18
19
19
20
27
26
26
26
27
27
18
19
20
20
20
19
19

Dew Point (°C)

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

Relative Humidity (%)

61
64
61
59
56
54
52
51
46
42
39
42
44
47
58
73
92
93
93
95
96
96
96
96

Pressure (mb)

1017
1017
1017
1017
1016
1017
1017
1017
1016
1016
1016
1016
1015
1015
1016
1016
1016
1017
1017
1017
1017
1017
1017
1017

Ozone (du)

286
286
286
286
286
286
285
284
284
284
284
284
283
282
281
280
279
279
279
279
278
278
277
278

Thursday 1

Waning Gibbous 77%

21:03

14:17

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

Sun - Rise: 07:41, Set: 19:16, Transit: 13:28. Moon - Rise: 21:03, Set: 14:17. Civil Dark: 19:50 - 07:07. Nautical Dark: 20:29 - 06:28. Astro Dark: 21:10 - 05:47

Total Clouds (% Sky Obscured)

100
100
100
100
91
82
72
65
56
48
50
55
60
67
79
89
85
79
74
81
89
99

Low Clouds (% Sky Obscured)

73
61
50
37
27
17
7
9
11
13
17
23
27
20
13
8
7
7
6
23
41
58

Medium Clouds (% Sky Obscured)

100
95
90
87
70
51
32
26
21
17
16
14
13
19
26
31
29
25
21
31
44
59

High Clouds (% Sky Obscured)

100
100
100
100
75
53
30
27
23
9
12
15
19
38
59
79
76
75
74
79
81
82

ISS Passover

Visibility (miles)

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

Fog (%)

0
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
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

95
95
89
59
39
21
9
8
6
0
0
3
5
6
6
4
11
8
3
21
28
38

Precipitation Amount (mm)

1.3
0.8
0.3
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
5
4
3
3
4
5
5
6
6
5
4
4
4
4
5
5
5
5
3
3

Chance of Frost

Temperature (°C)

18
17
17
17
17
18
19
20
21
22
23
23
23
23
21
20
18
18
18
18
18
17

Feels Like (°C)

19
19
19
19
18
17
19
19
20
20
20
26
25
24
24
25
25
17
18
18
18
17

Dew Point (°C)

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

Relative Humidity (%)

95
95
95
95
95
90
86
82
69
58
49
49
48
47
55
65
76
77
77
77
82
88

Pressure (mb)

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

Ozone (du)

279
280
281
281
282
284
287
289
290
290
290
290
289
289
289
289
289
290
291
292
293
295

Forecast for Kerkelanden, Gemeente Hilversum, Netherlands (52.22,5.15)

Generated: 25/09/26 04:26:10. Forecast: 25/09/26 to 01/10/26. Timezone: UTC+2.00