Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 9

Waning Crescent 0%

07:44

18:25

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

Sun - Rise: 07:56, Set: 18:56, Transit: 13:26. Moon - Rise: 07:44, Set: 18:25. Civil Dark: 19:30 - 07:22. Nautical Dark: 20:09 - 06:43. Astro Dark: 20:48 - 06:04

Total Clouds (% Sky Obscured)

95
88
72
61
33
34
34
31
49
55
51
64
74
65
52
39
53
86
70
89
82
82
83
88

Low Clouds (% Sky Obscured)

53
30
30
30
21
26
26
25
47
54
43
47
60
52
34
32
37
83
70
83
46
42
32
55

Medium Clouds (% Sky Obscured)

23
6
0
0
0
0
0
0
0
0
3
36
35
32
33
0
21
34
0
60
49
82
83
74

High 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
0

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

95
8
1
9
18
9
17
21
22
27
32
61
67
66
59
49
48
43
64
78
67
60
91
75

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0.2
0
0
0
0
0
0.2
0.4
0.2
0
0.7
0.4

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
86
87
86
84
83
81
83
85
84
77
76
75
75
70
62
60
62
59
72
77
81
80
83

Pressure (mb)

1006
1007
1008
1008
1009
1009
1009
1009
1009
1009
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010

Ozone (du)

283
287
291
294
297
299
300
301
301
304
306
306
305
305
307
307
306
305
305
306
309
310
310
310

Saturday 10

New Moon 1%

09:03

18:39

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
19 Bad
20 OK
21 OK
22 Bad

Sun - Rise: 07:58, Set: 18:54, Transit: 13:26. Moon - Rise: 09:03, Set: 18:39. Civil Dark: 19:27 - 07:24. Nautical Dark: 20:06 - 06:45. Astro Dark: 20:46 - 06:05

Total Clouds (% Sky Obscured)

88
60
66
100
99
96
71
63
95
86
81
87
92
93
93
91
87
79
63
51
47
46
42
61

Low Clouds (% Sky Obscured)

69
25
31
88
87
85
71
46
70
73
72
81
80
85
87
82
54
69
61
6
19
46
42
61

Medium Clouds (% Sky Obscured)

40
46
47
60
69
55
8
31
57
40
34
32
45
38
37
40
36
29
17
6
3
6
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
2
3
3
3
61
65
41
63
51
47
46
42
50

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

Precipitation Probability (%)

52
44
47
64
85
76
54
54
60
55
52
47
57
58
46
44
41
32
14
4
2
1
1
2

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

10
9
9
9
10
10
11
10
9
10
10
10
12
13
12
12
12
11
9
7
5
4
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

80
77
78
78
76
77
76
76
77
68
67
67
64
60
58
56
53
54
55
60
68
67
64
67

Pressure (mb)

1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1011
1011
1012
1012
1013
1013
1013
1014
1014
1014
1015
1015
1016
1016

Ozone (du)

312
311
311
311
311
311
311
309
308
308
309
309
310
312
313
309
305
303
301
300
300
298
297
298

Sunday 11

Waxing Crescent 4%

10:21

18:56

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

Sun - Rise: 08:00, Set: 18:51, Transit: 13:25. Moon - Rise: 10:21, Set: 18:56. Civil Dark: 19:25 - 07:26. Nautical Dark: 20:04 - 06:47. Astro Dark: 20:44 - 06:07

Total Clouds (% Sky Obscured)

72
68
57
67
52
58
47
44
65
78
95
43
43
43
60
54
55
98
76
85
91
91
97
100

Low Clouds (% Sky Obscured)

72
68
57
67
50
58
47
44
65
78
77
43
43
43
60
19
19
16
21
22
11
9
6
8

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
26
32
83
54
69
61

High Clouds (% Sky Obscured)

45
2
0
0
0
0
1
25
20
36
79
2
3
24
38
35
43
95
52
57
70
72
79
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 (%)

0
0
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)

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

Chance of Frost

Temperature (°C)

8
8
8
8
8
8
8
7
7
6
7
9
11
13
15
16
16
17
16
16
14
13
13
12

Feels Like (°C)

6
5
6
6
6
7
6
5
4
3
5
6
9
11
12
12
13
14
14
15
12
11
11
9

Dew Point (°C)

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

Relative Humidity (%)

69
70
71
75
75
82
81
75
74
75
78
78
66
59
57
56
53
53
56
61
68
68
70
69

Pressure (mb)

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

Ozone (du)

298
297
296
292
289
287
288
287
286
282
282
279
277
271
267
265
265
264
264
265
265
265
266
266

Monday 12

Waxing Crescent 9%

11:39

19:18

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
19 Bad
20 Bad
21 OK
22 Bad

Sun - Rise: 08:01, Set: 18:49, Transit: 13:25. Moon - Rise: 11:39, Set: 19:18. Civil Dark: 19:23 - 07:27. Nautical Dark: 20:02 - 06:48. Astro Dark: 20:41 - 06:09

Total Clouds (% Sky Obscured)

100
100
99
100
100
99
100
100
100
100
100
100
100
100
100
100
100
100
86
70
55
32
35
39

Low Clouds (% Sky Obscured)

38
56
60
74
83
76
92
92
91
91
92
95
95
95
95
94
94
93
83
70
55
22
25
26

Medium Clouds (% Sky Obscured)

74
88
99
100
90
94
100
94
100
71
49
46
45
51
30
77
48
50
33
15
0
0
0
0

High Clouds (% Sky Obscured)

83
38
15
11
4
2
10
60
68
79
92
99
44
43
52
87
67
35
2
30
25
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
7
9
9
9
9
9
7
9
4
9
9
9
7
7
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
Very Light Rain
None
None
None
None
None
None
None
Light Rain
Light Rain
None
None
Very Light Rain
Light Rain
None
None
None
None

Precipitation Probability (%)

0
0
1
9
13
16
45
42
24
17
16
10
23
36
83
88
32
37
56
63
37
18
10
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

9
9
9
9
9
10
9
9
10
10
11
11
11
12
13
15
15
16
17
16
16
15
16
14

Dew Point (°C)

6
6
5
5
5
6
5
9
9
9
9
9
9
10
12
15
16
17
17
16
15
14
13
12

Relative Humidity (%)

64
63
60
60
60
61
60
76
79
76
72
69
69
72
75
89
95
93
92
92
90
92
95
93

Pressure (mb)

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

Ozone (du)

266
264
262
262
261
259
258
258
259
260
263
264
262
262
262
261
263
264
266
265
267
271
276
280

Tuesday 13

Waxing Crescent 15%

12:52

19:48

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

Sun - Rise: 08:03, Set: 18:47, Transit: 13:25. Moon - Rise: 12:52, Set: 19:48. Civil Dark: 19:21 - 07:29. Nautical Dark: 20:00 - 06:50. Astro Dark: 20:39 - 06:11

Total Clouds (% Sky Obscured)

44
48
69
79
77
75
72
70
70
69
48
24
33
44
74
77
71
69
65
63
62
74
87
100

Low Clouds (% Sky Obscured)

23
22
19
20
22
23
22
20
18
14
10
5
9
13
17
19
16
16
17
16
14
5
2
0

Medium 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
0

High Clouds (% Sky Obscured)

15
28
50
46
34
20
25
30
35
49
37
13
13
19
53
60
61
62
60
56
45
64
82
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 (%)

2
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

14
13
12
11
10
10
9
10
9
9
10
12
15
15
16
16
16
16
16
16
16
16
10
10

Dew Point (°C)

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

Relative Humidity (%)

93
93
92
88
88
90
91
91
90
91
91
89
82
72
61
54
56
56
57
61
68
74
73
72

Pressure (mb)

1027
1028
1028
1029
1029
1029
1030
1030
1030
1031
1031
1031
1031
1031
1031
1030
1030
1029
1029
1028
1028
1028
1028
1027

Ozone (du)

282
285
287
288
289
291
293
295
298
298
299
299
297
296
297
298
297
296
296
295
294
293
292
292

Wednesday 14

Waxing Crescent 23%

13:57

20:29

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

Sun - Rise: 08:05, Set: 18:45, Transit: 13:25. Moon - Rise: 13:57, Set: 20:29. Civil Dark: 19:19 - 07:31. Nautical Dark: 19:58 - 06:52. Astro Dark: 20:37 - 06:12

Total Clouds (% Sky Obscured)

100
100
100
100
100
99
98
96
94
86
69
47
26
27
30
33
39
58
58
58
65
62
59
57

Low Clouds (% Sky Obscured)

1
2
5
6
8
11
14
16
18
14
7
0
4
9
13
18
20
20
14
6
0
8
16
24

Medium Clouds (% Sky Obscured)

4
7
11
11
12
10
7
3
0
11
22
31
26
26
24
27
27
27
33
39
50
46
43
51

High Clouds (% Sky Obscured)

100
100
100
99
99
99
97
96
94
86
69
47
26
27
30
33
39
58
58
58
65
62
59
55

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
8

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
15
34
57

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)

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

Chance of Frost

Temperature (°C)

11
11
11
10
10
10
10
10
10
10
11
13
14
16
17
18
19
19
19
18
17
16
15
14

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

72
72
74
74
77
80
82
85
88
91
86
80
75
69
65
60
60
59
58
61
63
65
70
75

Pressure (mb)

1027
1026
1026
1025
1025
1024
1024
1023
1023
1023
1022
1022
1022
1021
1021
1020
1019
1019
1018
1018
1018
1018
1018
1018

Ozone (du)

291
290
289
288
288
287
286
287
287
288
288
289
289
289
289
289
289
290
291
292
293
294
296
298

Thursday 15

Waxing Crescent 32%

14:50

21:23

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
19 Bad

Sun - Rise: 08:06, Set: 18:43, Transit: 13:24. Moon - Rise: 14:50, Set: 21:23. Civil Dark: 19:17 - 07:32. Nautical Dark: 19:56 - 06:53. Astro Dark: 20:35 - 06:14

Total Clouds (% Sky Obscured)

58
66
67
64
62
65
73
79
88
91
96
97
83
68
54
54
53
52
52
51
53

Low Clouds (% Sky Obscured)

42
63
67
64
47
26
34
44
53
66
78
92
82
68
54
54
48
43
45
48
52

Medium Clouds (% Sky Obscured)

58
66
67
64
48
23
28
35
41
33
23
14
15
16
14
16
9
3
2
0
0

High Clouds (% Sky Obscured)

55
60
60
55
60
60
56
48
36
24
12
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

7
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

Precipitation Type

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

Precipitation Probability (%)

84
92
84
62
35
4
5
3
3
12
15
15
18
20
22
22
20
18
15
9
2

Precipitation Amount (mm)

0.4
0.7
0.6
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

13
12
11
11
10
10
9
10
10
10
11
13
14
14
15
16
15
15
14
13
12

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

82
83
84
85
84
84
84
81
78
76
73
70
65
63
60
58
58
57
56
61
67

Pressure (mb)

1018
1018
1019
1019
1019
1020
1020
1021
1021
1022
1023
1023
1024
1025
1025
1026
1027
1027
1028
1029
1030

Ozone (du)

301
303
306
309
312
314
317
319
321
323
325
327
329
329
330
331
331
331
331
328
325

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

Generated: 09/10/26 23:56:02. Forecast: 09/10/26 to 15/10/26. Timezone: UTC+2.00