Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 30

Waning Gibbous 77%

20:22

14:17

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
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad

Sun - Rise: 07:41, Set: 19:19, Transit: 13:29. Moon - Rise: 20:22, Set: 14:17. Civil Dark: 19:52 - 07:07. Nautical Dark: 20:32 - 06:28. Astro Dark: 21:12 - 05:48

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
99
100
100
100
100
100
100
99
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

67
70
55
55
59
69
82
88
93
95
93
87
91
82
76
78
82
83
86
82
80
5
11
0

Medium Clouds (% Sky Obscured)

97
94
96
95
96
100
100
95
96
90
75
86
74
79
91
100
99
70
98
100
100
90
61
55

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
88
100
100
100
100
98
100
40
100
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

44
80
95
76
80
95
95
95
91
72
25
49
51
44
38
36
45
31
16
12
4
3
3
1

Precipitation Amount (mm)

0
0
0.3
0.3
0.3
0.4
1.5
0.5
0.8
0.5
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

75
85
88
93
96
98
96
100
98
96
98
98
96
96
93
92
93
92
91
92
91
86
83
85

Pressure (mb)

1017
1017
1017
1018
1018
1017
1017
1017
1017
1017
1017
1018
1018
1018
1019
1020
1021
1022
1022
1023
1023
1023
1024
1024

Ozone (du)

271
271
272
273
274
275
275
276
277
278
279
281
280
280
281
281
281
282
283
284
284
283
283
284

Thursday 1

Waning Gibbous 66%

21:04

15:27

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

Sun - Rise: 07:42, Set: 19:16, Transit: 13:28. Moon - Rise: 21:04, Set: 15:27. Civil Dark: 19:50 - 07:09. Nautical Dark: 20:29 - 06:30. Astro Dark: 21:09 - 05:49

Total Clouds (% Sky Obscured)

100
100
100
100
99
28
28
33
25
26
26
33
36
42
35
54
39
46
64
71
37
35
44
46

Low Clouds (% Sky Obscured)

0
8
21
18
20
22
23
27
21
20
21
27
29
28
20
11
9
23
27
23
23
20
17
17

Medium Clouds (% Sky Obscured)

60
60
60
60
49
0
0
0
0
0
0
0
0
0
2
35
20
10
24
24
2
16
0
0

High Clouds (% Sky Obscured)

100
100
100
100
98
0
0
0
0
2
0
3
3
4
5
23
20
6
33
46
5
3
26
26

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
13
51
100
98
87
27
3
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
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

17
15
15
14
14
14
16
15
15
14
13
12
12
12
13
14
15
18
19
19
19
21
20
19

Dew Point (°C)

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

Relative Humidity (%)

86
87
89
90
90
92
92
92
92
93
93
92
91
93
89
80
73
65
58
54
51
51
52
62

Pressure (mb)

1025
1026
1026
1027
1027
1028
1028
1028
1028
1029
1029
1029
1030
1030
1031
1031
1032
1032
1031
1031
1031
1031
1030
1030

Ozone (du)

284
285
287
288
290
292
296
302
298
293
294
292
291
292
293
294
295
296
297
298
299
298
298
297

Friday 2

Waning Gibbous 54%

22:04

16:19

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
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad

Sun - Rise: 07:44, Set: 19:14, Transit: 13:28. Moon - Rise: 22:04, Set: 16:19. Civil Dark: 19:48 - 07:11. Nautical Dark: 20:27 - 06:31. Astro Dark: 21:07 - 05:51

Total Clouds (% Sky Obscured)

66
61
97
100
100
100
100
100
95
100
100
100
100
100
78
69
57
96
100
100
100
99
99
100

Low Clouds (% Sky Obscured)

22
19
18
18
6
19
15
12
10
13
11
8
9
3
0
0
0
0
11
11
8
5
3
2

Medium Clouds (% Sky Obscured)

0
0
0
0
0
2
44
86
80
100
95
100
51
40
45
43
29
2
3
3
3
2
20
35

High Clouds (% Sky Obscured)

35
33
92
100
100
100
100
100
64
100
100
100
100
100
78
69
55
92
100
100
100
97
98
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
2
6
6
6
6
6
6
6
6
6
6
6

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
3
2
1
1
2
3
4
4
4
4
4
3
4
3
4
4
4
4
4
4
4
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

68
71
75
77
79
79
80
77
80
81
80
80
81
80
77
70
64
57
53
48
46
46
48
58

Pressure (mb)

1030
1031
1031
1031
1031
1031
1031
1030
1030
1030
1030
1029
1029
1030
1030
1030
1030
1030
1029
1029
1029
1028
1028
1028

Ozone (du)

297
296
297
296
296
296
296
296
296
295
295
296
296
297
299
298
297
296
296
295
296
297
298
298

Saturday 3

Third Quarter 42%

23:21

16:55

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
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad

Sun - Rise: 07:46, Set: 19:12, Transit: 13:28. Moon - Rise: 23:21, Set: 16:55. Civil Dark: 19:45 - 07:12. Nautical Dark: 20:24 - 06:33. Astro Dark: 21:05 - 05:53

Total Clouds (% Sky Obscured)

100
98
97
95
97
99
100
95
91
87
87
81
48
48
53
61
57
54
49
55
55
53
71
86

Low Clouds (% Sky Obscured)

0
0
0
0
1
2
3
15
26
35
35
35
35
34
36
44
38
34
31
41
51
53
62
54

Medium Clouds (% Sky Obscured)

52
52
48
39
42
47
52
94
80
58
31
16
3
11
19
24
16
7
0
1
2
2
1
1

High Clouds (% Sky Obscured)

100
95
91
84
91
95
100
82
67
50
60
53
1
0
0
0
9
16
25
23
17
12
43
75

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 (%)

6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6

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
1
2
5
12
26
45
46
42
35
27
10
17
18
17
15
16
15
7
2
1
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
3
3
4
4
4
4
3
3
3
3
3
5
6
6
6
7
7
7
7
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

9
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
9

Relative Humidity (%)

64
71
76
78
80
81
83
84
86
86
87
87
89
90
84
75
72
67
64
62
61
60
60
62

Pressure (mb)

1028
1029
1029
1029
1029
1028
1028
1028
1028
1028
1027
1027
1028
1028
1028
1028
1029
1029
1028
1028
1028
1028
1028
1028

Ozone (du)

298
298
299
300
300
301
302
304
303
305
306
307
309
309
308
306
306
305
303
301
299
299
299
298

Sunday 4

Waning Crescent 31%

00:47

17:19

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
14 Bad
15 Bad
16 Bad
17 Bad
18 OK

Sun - Rise: 07:48, Set: 19:09, Transit: 13:27. Moon - Rise: 00:47, Set: 17:19. Civil Dark: 19:43 - 07:14. Nautical Dark: 20:22 - 06:35. Astro Dark: 21:02 - 05:55

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
89
64
99
99
74
76
83
90
77
66
55
59
64
70
58
46

Low Clouds (% Sky Obscured)

0
2
3
5
12
20
28
25
21
18
17
16
15
24
22
21
23
26
28
27
25
20
20
21

Medium Clouds (% Sky Obscured)

0
13
25
34
35
37
44
44
44
43
40
34
28
9
5
1
1
1
2
1
1
0
2
4

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
86
47
99
98
46
58
73
87
74
61
47
51
57
62
48
34

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 (%)

6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6

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
5
8
9
17
16
8
8
8
4
1
1
0
4
5
4
3
1
0
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

14
12
11
11
11
11
11
11
11
12
13
11
10
11
13
13
13
14
13
14
20
19
19
19

Dew Point (°C)

9
10
10
10
10
9
9
10
10
10
10
10
10
10
11
11
11
11
10
10
10
9
9
10

Relative Humidity (%)

68
82
87
89
87
84
83
84
86
87
89
88
90
90
83
78
72
64
59
54
54
53
53
60

Pressure (mb)

1028
1028
1028
1028
1028
1028
1027
1027
1027
1027
1026
1026
1026
1026
1025
1025
1025
1025
1025
1025
1024
1024
1024
1024

Ozone (du)

297
296
296
295
295
294
293
292
290
288
286
284
283
282
282
282
282
280
279
278
277
277
277
277

Monday 5

Waning Crescent 21%

02:15

17:36

19 OK
20 OK
21 OK
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 OK
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

Sun - Rise: 07:49, Set: 19:07, Transit: 13:27. Moon - Rise: 02:15, Set: 17:36. Civil Dark: 19:41 - 07:16. Nautical Dark: 20:20 - 06:36. Astro Dark: 21:00 - 05:57

Total Clouds (% Sky Obscured)

38
40
46
49
50
50
49
48
47
46
50
57
65
67
66
61
66
64
63
72
75
80
77
76

Low Clouds (% Sky Obscured)

21
17
14
10
11
13
16
19
18
21
24
32
36
48
46
45
39
34
32
30
24
20
17
15

Medium Clouds (% Sky Obscured)

6
5
6
7
5
3
0
0
0
0
3
5
7
7
5
4
9
14
24
24
24
28
21
12

High Clouds (% Sky Obscured)

21
19
20
25
23
15
6
7
9
11
12
12
13
12
11
9
18
29
42
53
59
67
64
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 (%)

6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6

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
2
0
0
0
0
0
1
2
1
2
3
0
2
4
1
5
6
1
3
3
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)

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

Chance of Frost

Temperature (°C)

17
16
15
14
13
13
13
12
12
12
12
12
12
12
13
15
16
17
18
20
20
20
20
18

Feels Like (°C)

20
21
16
15
16
15
15
15
13
12
13
13
12
12
12
12
12
12
13
14
21
20
20
20

Dew Point (°C)

10
11
11
10
10
9
9
9
9
9
9
9
9
9
9
9
9
9
10
10
10
10
10
11

Relative Humidity (%)

66
74
76
78
79
79
79
79
79
80
81
81
81
83
75
69
63
59
56
53
53
54
54
62

Pressure (mb)

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

Ozone (du)

276
276
277
277
278
278
277
277
277
277
277
278
279
281
281
282
283
284
284
285
286
287
288
290

Tuesday 6

Waning Crescent 12%

03:41

17:50

19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 OK
01 OK
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: 07:51, Set: 19:05, Transit: 13:27. Moon - Rise: 03:41, Set: 17:50. Civil Dark: 19:38 - 07:17. Nautical Dark: 20:18 - 06:38. Astro Dark: 20:57 - 05:58

Total Clouds (% Sky Obscured)

73
74
71
71
49
31
14
43
72
100
100
100
100
100
99
99
98
98
98

Low Clouds (% Sky Obscured)

12
16
20
22
16
13
11
15
18
24
37
51
65
52
42
30
51
71
90

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
11
21
32
54
76
98
84
66
51
63
74
87

High Clouds (% Sky Obscured)

59
62
63
66
41
16
0
34
67
100
100
100
100
99
98
96
76
56
37

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
8
8
7
8
9
9
9
9

Fog (%)

6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6

Precipitation Type

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

Precipitation Probability (%)

0
1
2
0
0
1
0
1
4
7
28
41
50
48
38
16
22
28
37

Precipitation Amount (mm)

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
3
3
3
4
4
5
5
5
5
6
8
8
9
10
9
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

21
21
13
14
14
13
14
13
13
12
11
11
11
11
12
12
12
12
14

Dew Point (°C)

11
11
11
11
11
10
10
10
10
10
10
10
11
11
12
12
12
12
12

Relative Humidity (%)

71
80
83
84
87
89
90
90
90
88
88
90
92
93
90
87
86
83
80

Pressure (mb)

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

Ozone (du)

292
294
295
296
297
294
292
289
287
285
284
287
290
293
294
295
297
297
298

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

Generated: 30/09/26 19:35:31. Forecast: 30/09/26 to 06/10/26. Timezone: UTC+2.00