Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 2

Waning Gibbous 63%

21:48

No Set

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: 06:55, Set: 20:24, Transit: 13:38. Moon - Rise: 21:48, Set: No Set. Civil Dark: 20:59 - 06:20. Nautical Dark: 21:42 - 05:37. Astro Dark: 22:30 - 04:50

Total Clouds (% Sky Obscured)

100
100
100
95
92
100
97
86
100
95
91
97
84
68
89
80
100
100
100
100
100
80
98
97

Low Clouds (% Sky Obscured)

45
43
67
68
63
74
91
72
85
70
80
90
71
45
46
66
58
100
85
92
83
80
77
57

Medium Clouds (% Sky Obscured)

98
95
93
93
90
100
93
86
76
73
28
30
31
25
37
50
41
36
49
89
77
4
0
6

High Clouds (% Sky Obscured)

45
40
31
4
32
65
50
47
25
37
22
6
2
38
84
64
91
90
93
100
87
19
86
88

ISS Passover

Visibility (miles)

8
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 (%)

35
41
33
4
6
15
36
23
10
5
5
2
3
5
6
6
9
11
8
22
35
25
35
27

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

18
17
18
17
18
17
17
17
16
16
16
16
15
15
16
15
16
15
16
16
17
19
19
19

Dew Point (°C)

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

Relative Humidity (%)

60
54
58
63
73
78
82
88
90
89
90
82
73
77
81
82
79
86
88
89
90
93
89
72

Pressure (mb)

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

Ozone (du)

313
311
309
308
305
304
302
303
303
304
304
303
301
300
299
297
296
297
300
303
302
304
303
301

Thursday 3

Waning Gibbous 51%

22:19

15:07

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: 06:56, Set: 20:22, Transit: 13:38. Moon - Rise: 22:19, Set: 15:07. Civil Dark: 20:57 - 06:22. Nautical Dark: 21:40 - 05:39. Astro Dark: 22:27 - 04:52

Total Clouds (% Sky Obscured)

95
94
96
93
78
100
86
77
90
99
94
100
100
99
100
100
100
96
100
100
100
100
99
100

Low Clouds (% Sky Obscured)

50
34
45
43
34
28
15
26
31
33
60
87
94
87
82
56
63
76
92
93
95
88
88
87

Medium Clouds (% Sky Obscured)

14
15
13
9
12
8
8
17
19
18
13
17
25
21
32
29
29
24
27
22
34
27
44
81

High Clouds (% Sky Obscured)

77
79
78
93
30
100
71
42
32
88
87
94
56
84
100
100
96
65
100
100
95
64
63
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
8
5
2
4

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

Precipitation Probability (%)

19
10
1
1
0
1
1
2
1
2
18
20
29
43
21
15
37
34
41
37
56
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0
0
0
0
0
0
0
0.5
0.6
0.3

Wind Speed/Direction (mph)

19
18
17
16
14
12
8
7
8
10
11
12
13
15
14
14
14
13
12
12
11
13
15
21

Chance of Frost

Temperature (°C)

22
22
22
22
22
21
20
19
18
18
19
19
19
19
19
19
19
19
19
19
19
19
20
22

Feels Like (°C)

19
19
19
19
20
20
19
18
18
17
17
18
17
17
17
16
17
16
16
16
17
18
18
18

Dew Point (°C)

16
15
14
13
13
14
15
15
16
16
17
17
17
17
17
16
17
16
16
16
17
17
18
20

Relative Humidity (%)

65
63
58
57
58
63
71
81
86
86
90
89
85
86
88
82
86
85
82
85
89
88
86
88

Pressure (mb)

1016
1016
1016
1017
1017
1016
1016
1016
1016
1016
1015
1015
1014
1014
1013
1013
1013
1013
1013
1013
1013
1012
1011
1011

Ozone (du)

301
299
298
297
294
293
291
292
292
292
292
291
290
289
289
290
290
289
290
289
288
290
289
287

Friday 4

Third Quarter 39%

23:06

16:28

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

Sun - Rise: 06:58, Set: 20:19, Transit: 13:38. Moon - Rise: 23:06, Set: 16:28. Civil Dark: 20:54 - 06:23. Nautical Dark: 21:37 - 05:41. Astro Dark: 22:24 - 04:54

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
96
85
80
80
80
22
23
35
80
66
79
77
82
53
92

Low Clouds (% Sky Obscured)

85
91
94
70
60
55
50
53
67
58
27
36
20
22
21
19
26
30
31
34
35
49
33
28

Medium Clouds (% Sky Obscured)

91
100
100
100
100
100
100
76
21
16
18
15
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

100
88
98
100
100
100
100
100
99
71
80
80
75
75
0
0
0
80
55
49
30
48
29
85

ISS Passover

Visibility (miles)

9
9
6
9
8
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
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
None
None
None
None

Precipitation Probability (%)

61
71
95
95
95
94
50
23
9
11
0
0
0
0
1
2
2
4
2
11
1
7
3
3

Precipitation Amount (mm)

0
0.4
1.2
2
1.2
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

22
20
18
14
12
10
9
8
8
8
9
8
7
8
7
7
7
7
7
8
10
11
11
12

Chance of Frost

Temperature (°C)

22
22
21
20
19
18
18
18
17
18
17
16
16
15
15
14
14
14
14
16
17
18
19
20

Feels Like (°C)

18
21
19
19
18
17
16
17
16
17
16
16
15
16
15
15
14
14
15
16
14
16
16
18

Dew Point (°C)

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

Relative Humidity (%)

88
81
85
91
88
89
83
85
83
85
82
81
79
82
84
84
84
87
84
78
67
61
54
49

Pressure (mb)

1011
1011
1011
1012
1012
1013
1013
1014
1014
1015
1016
1016
1017
1017
1017
1018
1018
1019
1020
1021
1021
1022
1022
1023

Ozone (du)

290
293
293
295
295
298
301
305
311
316
323
322
323
323
323
322
322
322
321
319
316
314
311
308

Saturday 5

Waning Crescent 28%

00:12

17:33

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

Sun - Rise: 07:00, Set: 20:17, Transit: 13:37. Moon - Rise: 00:12, Set: 17:33. Civil Dark: 20:52 - 06:25. Nautical Dark: 21:34 - 05:43. Astro Dark: 22:21 - 04:57

Total Clouds (% Sky Obscured)

55
67
83
68
55
41
38
14
47
27
31
40
36
45
24
20
16
16
45
38
40
57
80
100

Low Clouds (% Sky Obscured)

29
30
27
22
25
32
22
0
0
6
11
15
14
13
12
11
9
7
5
2
0
0
0
0

Medium Clouds (% Sky Obscured)

4
7
11
7
4
0
0
0
0
5
8
12
12
39
10
7
5
4
4
4
4
4
4
4

High Clouds (% Sky Obscured)

33
43
60
54
52
41
28
12
47
14
6
3
4
3
0
0
1
4
40
38
40
57
80
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
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

1
2
1
1
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
12
11
10
8
6
3
3
2
2
2
3
2
3
4
4
4
5
6
7
8
8
9

Chance of Frost

Temperature (°C)

20
20
20
20
19
18
17
16
14
13
13
12
11
11
11
11
11
11
11
13
16
17
19
21

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

49
52
56
57
59
63
63
70
79
82
81
81
83
83
84
84
85
87
84
76
68
62
54
50

Pressure (mb)

1023
1024
1024
1024
1024
1025
1025
1025
1025
1026
1026
1026
1025
1025
1025
1024
1024
1024
1024
1024
1024
1024
1023
1022

Ozone (du)

306
305
304
302
301
299
298
297
297
296
295
294
293
292
292
293
293
291
291
291
290
289
289
288

Sunday 6

Waning Crescent 18%

01:34

18:20

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: 07:01, Set: 20:15, Transit: 13:37. Moon - Rise: 01:34, Set: 18:20. Civil Dark: 20:49 - 06:27. Nautical Dark: 21:32 - 05:45. Astro Dark: 22:18 - 04:59

Total Clouds (% Sky Obscured)

97
94
91
82
73
62
74
87
100
82
64
50
71
87
100
100
100
100
89
79
69
75
80
87

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
5
26
35
35
34
32
31
31
30
31
32
33
39
53
44

Medium Clouds (% Sky Obscured)

6
8
9
11
73
62
74
87
91
82
64
50
71
68
59
49
38
27
21
19
20
27
37
47

High Clouds (% Sky Obscured)

93
86
77
61
49
32
52
76
100
61
32
2
35
68
100
100
100
100
72
46
28
46
52
58

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

Precipitation Probability (%)

0
0
0
0
0
0
0
1
4
4
5
4
8
5
1
21
35
54
58
51
18
14
19
16

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.3
0.2
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

22
22
23
23
23
21
20
20
19
20
20
19
19
19
18
17
17
17
16
18
20
21
23
24

Feels Like (°C)

19
20
20
22
21
20
19
18
17
18
17
18
17
17
17
17
17
16
15
15
15
16
17
17

Dew Point (°C)

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

Relative Humidity (%)

44
42
42
43
48
56
58
58
57
58
56
54
53
53
55
56
57
58
59
53
49
45
40
36

Pressure (mb)

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

Ozone (du)

288
289
289
290
290
290
289
289
290
290
290
288
287
289
291
293
294
296
298
298
299
299
300
301

Monday 7

Waning Crescent 10%

03:04

18:52

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 OK

Sun - Rise: 07:03, Set: 20:12, Transit: 13:37. Moon - Rise: 03:04, Set: 18:52. Civil Dark: 20:47 - 06:28. Nautical Dark: 21:29 - 05:47. Astro Dark: 22:15 - 05:01

Total Clouds (% Sky Obscured)

91
96
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
86
72
51
43
40
36

Low Clouds (% Sky Obscured)

47
56
62
61
62
65
73
81
89
87
84
80
64
47
32
37
42
52
48
43
39
30
21
9

Medium Clouds (% Sky Obscured)

62
80
97
87
77
68
63
56
50
62
72
81
78
85
92
90
89
88
73
59
44
41
38
36

High Clouds (% Sky Obscured)

63
68
74
73
72
71
81
90
100
100
100
100
100
100
100
95
88
81
64
44
22
17
18
15

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
8
8
8
9
9
9
9
8
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 (%)

24
19
1
6
9
7
17
21
28
39
51
52
44
32
8
18
23
25
26
25
17
13
11
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)

12
11
10
10
8
6
4
4
4
4
5
7
9
9
9
9
10
10
11
12
13
14
14
14

Chance of Frost

Temperature (°C)

25
24
24
23
22
21
20
19
18
18
17
17
17
17
16
16
16
15
15
16
17
18
18
19

Feels Like (°C)

18
24
23
22
22
22
22
17
18
18
18
18
17
16
16
16
15
15
14
14
13
14
14
15

Dew Point (°C)

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

Relative Humidity (%)

32
36
39
42
47
51
57
63
71
79
83
88
92
90
86
82
80
80
79
66
55
46
43
42

Pressure (mb)

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

Ozone (du)

303
302
302
302
301
300
300
299
298
298
298
298
298
300
302
303
307
311
315
320
325
330
331
332

Tuesday 8

Waning Crescent 4%

04:34

19:14

14 OK
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 OK
23 OK
00 OK
01 OK
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad

Sun - Rise: 07:05, Set: 20:10, Transit: 13:36. Moon - Rise: 04:34, Set: 19:14. Civil Dark: 20:45 - 06:30. Nautical Dark: 21:27 - 05:48. Astro Dark: 22:12 - 05:03

Total Clouds (% Sky Obscured)

32
33
34
33
28
23
23
25
23
21
18
19
35
51
67
72
79
90

Low Clouds (% Sky Obscured)

6
8
10
9
10
9
15
25
23
21
18
19
35
43
43
43
40
40

Medium Clouds (% Sky Obscured)

32
33
34
32
25
17
12
6
0
0
0
0
8
17
25
34
42
51

High Clouds (% Sky Obscured)

5
5
5
3
5
0
0
0
0
0
0
0
2
9
18
40
64
89

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

9
16
26
36
39
33
35
32
10
21
26
23
33
38
39
42
43
45

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

41
40
40
39
45
50
58
61
63
67
69
70
72
76
81
87
89
90

Pressure (mb)

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

Ozone (du)

333
335
337
339
342
346
349
347
345
343
344
345
346
348
350
353
354
355

Forecast for Utrecht, Gemeente Utrecht, Netherlands (52.09,5.12)

Generated: 02/09/26 14:36:48. Forecast: 02/09/26 to 08/09/26. Timezone: UTC+2.00