Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 25

Waxing Gibbous 99%

17:14

05:16

12 OK
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
04 Bad
05 OK
06 OK
07 OK
08 OK
09 OK
10 Bad
11 Bad

Sun - Rise: 06:01, Set: 18:02, Transit: 12:01. Moon - Rise: 17:14, Set: 05:16. Civil Dark: 18:29 - 05:33. Nautical Dark: 19:01 - 05:02. Astro Dark: 19:33 - 04:30

Total Clouds (% Sky Obscured)

38
40
40
43
50
60
85
58
100
98
89
87
71
48
100
100
89
38
41
37
33
42
73
94

Low Clouds (% Sky Obscured)

18
15
17
17
15
13
13
16
12
17
14
15
18
18
15
17
14
12
15
12
11
7
13
26

Medium Clouds (% Sky Obscured)

0
9
0
0
0
0
0
2
65
62
59
57
18
17
0
0
0
0
0
2
0
0
3
24

High Clouds (% Sky Obscured)

0
0
0
0
60
67
88
62
100
88
10
33
39
48
100
100
89
23
0
2
2
9
28
74

ISS Passover

Visibility (miles)

-
-
-
-
-
-
-
-
9
9
9
9
9
7
8
9
9
9
9
9
9
9
9
9

Fog (%)

-
-
-
-
-
-
-
-
0
0
0
0
5
19
24
2
0
0
0
1
23
6
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
95
95
95
34
39
31
9
2
2
0
0
0
0
0
3
8

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
4
3
2
2
2
2
2
2
2
2
2
2
2
2
2
3
3
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

74
71
68
68
69
76
85
94
96
95
95
93
95
95
96
98
98
96
96
95
90
81
69
58

Pressure (mb)

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

Ozone (du)

299
299
300
300
300
297
299
297
294
296
298
298
298
298
298
295
295
297
297
299
299
301
300
300

Saturday 26

Waxing Gibbous 100%

17:36

06:25

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
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 OK

Sun - Rise: 06:01, Set: 18:01, Transit: 12:01. Moon - Rise: 17:36, Set: 06:25. Civil Dark: 18:28 - 05:34. Nautical Dark: 18:59 - 05:03. Astro Dark: 19:32 - 04:31

Total Clouds (% Sky Obscured)

95
92
100
89
70
68
100
100
100
97
90
90
88
90
90
80
89
67
61
53
39
37
38
24

Low Clouds (% Sky Obscured)

50
42
34
71
21
17
70
75
48
57
90
86
88
90
90
80
89
51
40
31
11
9
9
11

Medium Clouds (% Sky Obscured)

17
26
76
79
47
49
80
61
61
92
72
19
16
16
18
6
29
15
21
23
24
24
16
0

High Clouds (% Sky Obscured)

92
77
100
25
67
68
100
100
100
40
55
55
0
5
6
0
0
0
0
0
17
4
0
0

ISS Passover

Visibility (miles)

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

Fog (%)

0
0
0
0
0
0
0
4
69
82
79
79
100
66
47
67
13
32
46
32
21
0
0
0

Precipitation Type

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

Precipitation Probability (%)

38
58
95
82
58
95
95
95
95
65
40
40
29
44
55
35
20
6
4
8
69
58
35
15

Precipitation Amount (mm)

0
0.3
1.8
0.8
0
0.4
0.9
0.8
0.3
0
0
0
0
0
0
0
0
0
0
0
0.6
0.3
0
0

Wind Speed/Direction (mph)

3
3
3
3
2
3
4
3
2
2
2
2
2
2
1
1
2
2
2
2
2
3
4
5

Chance of Frost

Temperature (°C)

22
22
22
19
18
18
17
16
15
15
14
14
14
14
13
13
13
12
12
13
14
15
16
17

Feels Like (°C)

22
22
23
20
20
20
19
16
16
15
15
15
14
14
14
14
13
13
13
14
16
18
17
16

Dew Point (°C)

12
16
18
15
15
16
16
15
15
14
14
14
14
13
13
13
13
12
12
12
13
12
8
4

Relative Humidity (%)

54
70
77
78
82
88
93
96
98
98
98
98
98
98
96
98
98
98
98
98
92
78
56
42

Pressure (mb)

1011
1010
1010
1010
1010
1010
1011
1011
1011
1011
1012
1011
1011
1010
1010
1010
1010
1010
1010
1011
1011
1011
1011
1011

Ozone (du)

300
299
299
301
303
302
298
298
300
300
301
303
308
309
309
311
318
322
324
326
324
325
324
322

Sunday 27

Full Moon 99%

17:59

07:35

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

Sun - Rise: 06:02, Set: 17:59, Transit: 12:00. Moon - Rise: 17:59, Set: 07:35. Civil Dark: 18:26 - 05:35. Nautical Dark: 18:58 - 05:04. Astro Dark: 19:30 - 04:32

Total Clouds (% Sky Obscured)

9
26
30
11
9
7
57
73
76
98
92
62
12
6
2
3
12
27
35
36
57
42
51
76

Low Clouds (% Sky Obscured)

4
3
3
1
2
2
6
10
12
12
10
5
5
3
1
0
0
5
11
14
36
17
28
67

Medium Clouds (% Sky Obscured)

0
26
30
11
9
6
6
4
0
0
0
0
0
0
0
3
12
27
27
3
19
37
17
14

High Clouds (% Sky Obscured)

0
0
0
0
0
0
36
50
60
95
86
57
3
0
0
0
0
0
0
0
0
0
1
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
6

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
Very Light Rain
Light Rain

Precipitation Probability (%)

7
4
4
4
3
2
0
0
0
4
4
1
2
3
0
2
8
19
19
18
31
32
50
70

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
0.3
0.8

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

6
6
4
3
5
8
7
6
5
4
3
3
2
2
2
2
3
3
4
6
8
10
10
11

Relative Humidity (%)

43
41
35
34
38
51
54
55
54
53
51
50
49
49
50
52
55
58
63
66
64
69
67
67

Pressure (mb)

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

Ozone (du)

321
319
320
318
315
312
309
309
311
311
312
311
312
313
312
313
315
315
310
309
311
312
311
311

Monday 28

Waning Gibbous 95%

18:25

08:49

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
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad

Sun - Rise: 06:03, Set: 17:57, Transit: 12:00. Moon - Rise: 18:25, Set: 08:49. Civil Dark: 18:24 - 05:36. Nautical Dark: 18:56 - 05:05. Astro Dark: 19:28 - 04:33

Total Clouds (% Sky Obscured)

56
66
56
86
76
78
99
48
52
41
58
80
90
94
94
92
93
90
89
92
89
87
83
61

Low Clouds (% Sky Obscured)

32
36
16
75
57
58
99
11
9
17
43
78
90
94
94
92
93
90
87
92
89
87
83
51

Medium Clouds (% Sky Obscured)

48
56
56
52
52
47
43
38
31
14
2
7
11
16
24
32
38
44
43
37
25
12
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
22
43
48
40
18
0
0
0
0
0
0
0
0
0
0
0
0
0
14

ISS Passover

Visibility (miles)

4
9
9
9
9
9
9
9
9
9
7
2
0
6
0
0
0
1
0
0
2
4
5
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

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

Precipitation Probability (%)

44
54
34
37
36
41
40
46
43
59
87
82
76
65
44
54
55
50
68
61
46
31
6
8

Precipitation Amount (mm)

0.2
0.4
0
0
0
0
0
0
0
0.2
0.8
0.7
0.4
0.3
0
0
0
0
0.2
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

73
64
59
59
63
72
85
86
95
96
98
98
100
98
100
98
98
98
100
98
96
92
95
88

Pressure (mb)

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

Ozone (du)

310
308
309
306
306
305
304
306
304
305
305
305
304
304
301
298
298
297
299
300
302
303
303
302

Tuesday 29

Waning Gibbous 88%

18:56

10:05

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

Sun - Rise: 06:04, Set: 17:56, Transit: 11:59. Moon - Rise: 18:56, Set: 10:05. Civil Dark: 18:23 - 05:37. Nautical Dark: 18:54 - 05:06. Astro Dark: 19:26 - 04:34

Total Clouds (% Sky Obscured)

37
39
36
52
74
100
100
100
100
100
100
99
58
59
42
18
0
0
1
0
0
0
0
0

Low Clouds (% Sky Obscured)

9
7
5
2
0
3
7
12
5
7
7
5
2
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
4
7
11
38
68
100
98
94
87
72
58
46
29
11
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

31
39
36
52
74
100
100
100
100
100
100
99
58
59
42
18
0
0
1
0
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 (%)

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
None

Precipitation Probability (%)

6
5
17
17
29
41
26
29
58
59
61
46
31
3
3
2
0
0
0
0
0
0
0
0

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

20
20
21
20
20
19
18
17
16
15
15
15
13
11
9
8
7
6
6
6
7
8
9
10

Feels Like (°C)

20
21
22
21
21
20
18
16
14
13
12
12
9
8
6
5
4
3
4
4
3
4
4
5

Dew Point (°C)

15
13
12
10
10
14
15
13
12
11
9
8
6
2
-1
-3
-7
-10
-8
-8
-9
-9
-10
-10

Relative Humidity (%)

76
62
56
51
53
71
80
79
79
74
66
64
62
54
50
47
38
33
35
35
33
29
25
23

Pressure (mb)

1011
1011
1010
1010
1010
1010
1011
1012
1012
1013
1014
1014
1015
1016
1017
1018
1019
1019
1020
1020
1020
1020
1020
1020

Ozone (du)

301
300
299
297
295
294
292
291
292
293
293
294
294
293
294
295
295
297
300
302
303
303
304
305

Wednesday 30

Waning Gibbous 80%

19:34

11:20

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 Good
01 Good
02 Good
03 Good
04 Good
05 Good
06 Good
07 Good
08 Good
09 Good
10 Good
11 Good

Sun - Rise: 06:05, Set: 17:54, Transit: 11:59. Moon - Rise: 19:34, Set: 11:20. Civil Dark: 18:21 - 05:38. Nautical Dark: 18:53 - 05:07. Astro Dark: 19:25 - 04:35

Total 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

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
0
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

5
6
5
9
9
10
10
11
12
6
6
6
5
6
5
3
3
3
3
2
1
6
5
6

Dew Point (°C)

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

Relative Humidity (%)

22
21
19
25
30
38
39
40
41
40
38
38
37
37
35
35
35
34
35
35
34
30
26
23

Pressure (mb)

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

Ozone (du)

305
305
306
308
311
314
316
318
321
322
323
324
326
328
330
332
333
335
335
334
334
333
331
330

Thursday 1

Waning Gibbous 69%

20:21

No Set

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 Good
01 Good
02 Good
03 Good
04 Good
05 Good
06 Good
07 Good
08 Good
09 Good
10 Good
11 Good

Sun - Rise: 06:06, Set: 17:52, Transit: 11:59. Moon - Rise: 20:21, Set: No Set. Civil Dark: 18:19 - 05:39. Nautical Dark: 18:51 - 05:08. Astro Dark: 19:23 - 04:36

Total Clouds (% Sky Obscured)

0
0
1
1
1
2
2
3
2
1
0
0
0
0
0
0
0
0
0
0
0
0
0
9

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
0
0

Medium Clouds (% Sky Obscured)

0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3

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
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
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-9
-7
-7
-5
-3
0
-1
-2
-3
-3
-4
-4
-5
-5
-5
-5
-5
-5
-4
-4
-3
-3
-2
-2

Relative Humidity (%)

23
24
23
27
32
39
40
41
43
42
42
41
41
42
42
42
43
45
43
41
40
36
34
32

Pressure (mb)

1016
1015
1014
1014
1014
1014
1015
1016
1016
1017
1017
1018
1018
1018
1018
1019
1019
1019
1020
1020
1020
1020
1020
1020

Ozone (du)

329
328
327
327
326
326
326
326
327
327
327
328
328
328
328
328
329
329
330
331
331
332
332
333

Forecast for Hongshikeng, China (40.40,117.58)

Generated: 25/09/26 20:59:44. Forecast: 25/09/26 to 01/10/26. Timezone: UTC+8.00