Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 13

Waxing Crescent 7%

10:06

20:18

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 Good
21 Good
22 OK
23 Good
00 Good
01 OK
02 Bad
03 Bad
04 Bad

Sun - Rise: 07:11, Set: 19:58, Transit: 13:35. Moon - Rise: 10:06, Set: 20:18. Civil Dark: 20:33 - 06:37. Nautical Dark: 21:14 - 05:56. Astro Dark: 21:57 - 05:12

Total Clouds (% Sky Obscured)

100
100
99
100
100
100
100
100
100
95
79
70
66
43
31
2
7
18
8
12
28
71
88
100

Low Clouds (% Sky Obscured)

91
82
87
85
75
65
78
75
82
77
52
36
33
12
0
0
0
0
7
4
2
40
39
37

Medium Clouds (% Sky Obscured)

70
75
88
95
86
98
97
100
97
92
14
50
27
16
17
0
5
0
0
0
14
3
46
7

High Clouds (% Sky Obscured)

93
91
99
100
100
100
100
100
100
40
39
0
0
1
0
2
0
17
1
8
12
42
54
100

ISS Passover

Visibility (miles)

9
9
9
7
6
8
8
3
2
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
81

Precipitation Type

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

Precipitation Probability (%)

34
62
54
58
49
45
90
95
95
46
4
14
24
14
6
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0.2
0
0.3
0.7
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

8
8
8
7
7
8
7
7
7
7
7
9
9
8
6
5
4
3
3
2
1
1
2
2

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

17
18
18
18
19
19
20
20
20
20
20
20
20
20
20
19
18
17
17
16
16
16
13
13

Dew Point (°C)

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

Relative Humidity (%)

95
96
96
96
96
92
89
93
96
95
96
81
75
74
77
88
92
93
93
95
96
96
95
95

Pressure (mb)

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

Ozone (du)

297
297
297
294
295
294
296
297
298
304
312
312
309
305
304
302
299
298
297
295
291
288
286
285

Monday 14

Waxing Crescent 13%

11:25

20:33

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

Sun - Rise: 07:13, Set: 19:56, Transit: 13:34. Moon - Rise: 11:25, Set: 20:33. Civil Dark: 20:30 - 06:39. Nautical Dark: 21:11 - 05:58. Astro Dark: 21:55 - 05:14

Total Clouds (% Sky Obscured)

98
93
100
88
100
95
80
70
49
70
94
90
83
47
41
57
51
54
57
61
60
57
53
30

Low Clouds (% Sky Obscured)

42
58
70
65
60
59
46
57
38
62
72
79
75
8
2
4
0
0
7
12
17
23
26
20

Medium Clouds (% Sky Obscured)

4
9
8
7
4
7
6
4
7
16
20
12
8
11
15
20
20
21
17
15
14
4
3
0

High Clouds (% Sky Obscured)

93
89
100
86
100
83
44
15
7
2
2
0
0
0
0
0
0
0
1
1
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 (%)

98
100
100
99
96
58
6
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1

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
3
0
0
0
0
4
9
2
7
1
0
0
0
0
0
0
1
2
1
2
1

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)

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

Chance of Frost

Temperature (°C)

13
13
13
13
15
17
19
21
22
23
24
24
24
23
22
21
19
19
18
18
18
18
18
18

Feels Like (°C)

13
12
13
12
15
16
19
20
22
24
24
24
23
24
25
23
21
21
21
20
20
20
19
20

Dew Point (°C)

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

Relative Humidity (%)

95
96
96
95
90
83
78
75
68
62
60
61
59
61
69
77
84
85
86
88
89
92
92
92

Pressure (mb)

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

Ozone (du)

284
284
282
281
281
282
282
282
280
279
278
279
281
283
283
285
286
288
289
288
285
284
281
279

Tuesday 15

Waxing Crescent 21%

12:43

20:51

05 OK
06 OK
07 OK
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
04 Bad

Sun - Rise: 07:14, Set: 19:54, Transit: 13:34. Moon - Rise: 12:43, Set: 20:51. Civil Dark: 20:28 - 06:40. Nautical Dark: 21:09 - 06:00. Astro Dark: 21:52 - 05:16

Total Clouds (% Sky Obscured)

27
27
19
51
56
60
61
72
89
100
100
100
100
100
100
100
95
75
82
64
31
30
29
29

Low Clouds (% Sky Obscured)

18
18
12
21
24
24
28
23
34
50
56
57
55
53
63
68
48
65
48
13
0
4
8
12

Medium Clouds (% Sky Obscured)

0
0
0
17
19
21
22
20
22
29
95
92
93
90
95
32
28
28
43
34
1
7
14
20

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
72
89
100
100
100
100
100
100
100
25
9
0
4
30
20
9
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
7
4
4
9
9
9
9
9
9
9
9
9
9

Fog (%)

3
4
6
6
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
Light Rain
Light Rain
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
11
41
56
49
82
95
61
42
45
36
29
21
17
14

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0.2
0.3
0
0.6
0.9
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

18
17
17
17
18
20
21
22
23
24
23
23
22
21
21
19
18
18
17
17
16
15
15
14

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
95
96
96
88
76
68
62
58
56
56
60
73
84
89
91
93
96
96
96
98
95
93
93

Pressure (mb)

1019
1018
1018
1018
1018
1018
1017
1017
1016
1016
1015
1015
1014
1014
1014
1014
1014
1013
1013
1013
1013
1013
1012
1012

Ozone (du)

277
278
277
277
277
276
276
277
279
279
279
279
279
278
277
277
280
287
291
293
295
299
304
308

Wednesday 16

Waxing Crescent 30%

13:59

21:16

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 OK
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad

Sun - Rise: 07:16, Set: 19:51, Transit: 13:34. Moon - Rise: 13:59, Set: 21:16. Civil Dark: 20:25 - 06:42. Nautical Dark: 21:06 - 06:01. Astro Dark: 21:49 - 05:18

Total Clouds (% Sky Obscured)

34
35
40
45
45
75
84
89
94
90
78
82
71
42
32
35
33
34
39
45
52
57
96
99

Low Clouds (% Sky Obscured)

18
23
27
33
34
28
34
56
77
78
70
79
71
35
23
28
24
26
27
27
28
29
30
28

Medium Clouds (% Sky Obscured)

18
14
12
12
11
12
15
20
21
17
11
3
5
7
7
6
5
4
1
0
2
12
92
97

High Clouds (% Sky Obscured)

0
0
1
4
3
47
51
51
47
10
2
0
0
0
0
0
0
0
11
26
36
42
55
62

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

25
25
28
29
45
34
24
33
30
42
50
43
37
33
16
24
28
12
18
20
11
16
37
55

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0.2

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
93
92
92
90
83
73
62
57
60
64
63
68
68
73
78
79
81
86
87
90
91
95
95

Pressure (mb)

1012
1012
1012
1013
1013
1013
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1013
1013

Ozone (du)

313
317
320
320
319
320
320
320
321
324
326
327
328
330
331
332
332
335
337
337
334
331
328
323

Thursday 17

Waxing Crescent 39%

15:09

21:50

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
04 Bad

Sun - Rise: 07:18, Set: 19:49, Transit: 13:33. Moon - Rise: 15:09, Set: 21:50. Civil Dark: 20:23 - 06:44. Nautical Dark: 21:03 - 06:03. Astro Dark: 21:46 - 05:21

Total Clouds (% Sky Obscured)

77
92
98
99
99
100
99
97
96
97
98
100
93
96
95
100
100
100
94
90
87
85
84
83

Low Clouds (% Sky Obscured)

28
26
29
34
58
68
43
73
92
86
79
73
69
81
84
88
88
87
80
73
66
58
51
44

Medium Clouds (% Sky Obscured)

40
20
18
19
99
100
72
97
81
88
39
28
24
75
83
93
86
79
83
86
87
85
84
83

High Clouds (% Sky Obscured)

55
67
62
75
86
100
73
47
15
11
13
18
32
52
61
97
98
100
85
70
60
60
60
65

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
5
9
9
9
9
9
9
8
6
5
3
5
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
None
None
None
None
None
None
None
None
None
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None

Precipitation Probability (%)

32
14
10
7
30
28
13
44
44
33
37
40
54
61
71
74
79
85
85
77
57
43
32
13

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.4
0.5
0.6
0.5
0.3
0
0
0

Wind Speed/Direction (mph)

8
8
9
9
10
11
12
14
15
15
14
13
13
13
12
12
11
11
10
8
7
5
6
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

11
11
11
11
11
11
11
7
11
12
11
10
10
10
11
11
12
13
14
13
13
12
12
11

Relative Humidity (%)

95
93
92
92
87
86
76
57
72
82
74
70
65
66
73
79
84
90
95
95
93
92
92
90

Pressure (mb)

1013
1012
1012
1012
1012
1012
1012
1011
1011
1011
1010
1010
1009
1009
1008
1008
1008
1008
1008
1008
1009
1009
1009
1009

Ozone (du)

317
314
312
311
309
308
308
306
306
306
306
306
306
303
303
303
301
299
298
298
299
300
302
303

Friday 18

First Quarter 49%

16:10

22:36

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

Sun - Rise: 07:19, Set: 19:47, Transit: 13:33. Moon - Rise: 16:10, Set: 22:36. Civil Dark: 20:21 - 06:45. Nautical Dark: 21:01 - 06:05. Astro Dark: 21:43 - 05:23

Total Clouds (% Sky Obscured)

80
74
69
64
58
53
64
77
88
80
72
65
55
46
36
36
35
35
36
41
49
49
49
50

Low Clouds (% Sky Obscured)

40
33
31
29
32
32
45
56
66
63
59
55
49
42
35
29
24
15
12
10
7
10
16
26

Medium Clouds (% Sky Obscured)

80
74
67
48
28
9
9
8
13
10
10
7
6
3
0
0
0
0
6
10
15
16
21
23

High Clouds (% Sky Obscured)

51
39
27
26
24
16
12
9
5
10
8
2
2
3
3
13
23
27
33
41
49
49
49
50

ISS Passover

Visibility (miles)

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

18
18
14
18
20
24
28
30
31
27
23
25
21
17
13
5
1
0
0
1
0
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
90
90
88
83
76
71
65
60
55
56
58
60
65
72
78
79
81
83
83
83
83
86
87

Pressure (mb)

1009
1010
1010
1011
1011
1012
1013
1013
1013
1014
1014
1014
1014
1014
1014
1014
1015
1015
1015
1014
1014
1014
1014
1013

Ozone (du)

305
305
304
303
303
303
303
301
300
298
296
295
293
290
287
284
284
284
283
285
288
290
289
288

Saturday 19

Waxing Gibbous 59%

16:57

23:34

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

Sun - Rise: 07:21, Set: 19:44, Transit: 13:33. Moon - Rise: 16:57, Set: 23:34. Civil Dark: 20:18 - 06:47. Nautical Dark: 20:58 - 06:07. Astro Dark: 21:41 - 05:25

Total Clouds (% Sky Obscured)

54
58
62
75
89
100
98
96
93
90
87
85
90
95
100
99
98
98
98
99
100

Low Clouds (% Sky Obscured)

31
36
46
42
41
28
35
47
62
69
75
83
83
83
81
79
74
71
55
42
29

Medium Clouds (% Sky Obscured)

29
30
31
54
67
80
67
57
49
60
72
80
86
87
87
60
33
6
6
7
7

High Clouds (% Sky Obscured)

54
58
62
75
89
100
93
84
74
61
49
40
62
79
96
95
94
95
96
98
100

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

16
18
18
25
27
22
21
20
14
44
61
77
67
54
31
30
28
28
22
17
6

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0.3
0.6
0.4
0.2
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
87
86
83
76
72
66
63
60
57
68
78
92
92
90
90
89
89
87
89
92

Pressure (mb)

1013
1013
1013
1012
1012
1012
1012
1013
1013
1013
1013
1014
1014
1014
1015
1015
1015
1016
1017
1017
1018

Ozone (du)

288
288
289
289
290
291
292
293
293
294
296
297
299
301
304
306
309
313
316
317
318

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

Generated: 13/09/26 05:01:22. Forecast: 13/09/26 to 19/09/26. Timezone: UTC+2.00