Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 18

Waning Crescent 8%

02:53

17:07

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 OK
13 OK
14 OK
15 Good
16 Good
17 Good
18 Good
19 OK
20 Good
21 Good
22 Good

Sun - Rise: 05:54, Set: 18:12, Transit: 12:03. Moon - Rise: 02:53, Set: 17:07. Civil Dark: 18:39 - 05:27. Nautical Dark: 19:11 - 04:55. Astro Dark: 19:44 - 04:22

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
93
43
27
23
16
17
15
14
10
4
0
0

Low Clouds (% Sky Obscured)

0
0
0
0
0
1
5
5
1
3
0
0
3
15
18
22
14
11
11
11
8
0
0
0

Medium Clouds (% Sky Obscured)

0
4
51
46
92
100
100
100
93
100
100
100
74
6
7
1
0
0
0
0
0
4
0
0

High Clouds (% Sky Obscured)

100
100
100
100
100
100
99
91
100
100
100
100
83
15
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
1
1
1
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)

1
1
1
1
1
1
1
2
2
1
2
3
4
5
6
6
6
5
4
3
2
2
3
2

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

63
64
62
62
63
64
65
67
69
63
56
52
50
45
43
42
44
50
64
81
88
88
88
87

Pressure (mb)

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

Ozone (du)

280
280
280
281
283
288
287
287
288
287
288
289
291
291
294
296
297
298
300
300
300
300
301
302

Friday 19

Waning Crescent 3%

04:01

17:29

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

Sun - Rise: 05:55, Set: 18:10, Transit: 12:03. Moon - Rise: 04:01, Set: 17:29. Civil Dark: 18:37 - 05:28. Nautical Dark: 19:09 - 04:56. Astro Dark: 19:42 - 04:23

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
1
3
68
58
100
81
100
100
72
87
85
79
60

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
3
0
2
2
2
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
2
12
0
38
33
1
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
1
3
49
35
100
81
100
100
60
80
72
74
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 (%)

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)

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

Chance of Frost

Temperature (°C)

10
10
10
10
11
11
11
10
12
16
18
20
21
22
22
22
22
21
18
15
13
13
13
13

Feels Like (°C)

11
11
12
11
11
11
11
11
13
17
19
20
21
22
20
21
20
20
17
14
13
13
13
13

Dew Point (°C)

8
8
8
8
8
7
7
7
8
9
8
4
2
2
2
3
3
6
10
10
9
9
9
8

Relative Humidity (%)

85
85
87
84
83
80
80
80
76
63
50
34
28
27
27
27
29
38
60
71
75
74
74
71

Pressure (mb)

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

Ozone (du)

303
303
304
305
304
303
302
301
301
299
297
297
294
291
288
286
286
286
285
286
285
286
285
285

Saturday 20

Waning Crescent 1%

05:06

17:50

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

Sun - Rise: 05:56, Set: 18:09, Transit: 12:02. Moon - Rise: 05:06, Set: 17:50. Civil Dark: 18:36 - 05:29. Nautical Dark: 19:08 - 04:57. Astro Dark: 19:40 - 04:24

Total Clouds (% Sky Obscured)

44
54
19
60
19
18
50
42
10
34
56
59
45
100
100
100
100
100
84
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
6
15
12
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

5
12
7
17
1
12
13
2
2
1
18
25
31
57
73
34
80
42
29
37
85
85
85
85

High Clouds (% Sky Obscured)

43
47
13
3
19
18
50
42
7
34
55
58
41
100
100
100
100
100
77
100
100
100
100
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
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)

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

Chance of Frost

Temperature (°C)

13
12
12
12
12
12
12
12
13
16
19
20
21
22
22
21
20
19
17
14
13
13
13
12

Feels Like (°C)

12
12
12
13
12
13
13
12
14
17
21
21
21
22
19
19
18
18
16
15
13
13
12
11

Dew Point (°C)

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

Relative Humidity (%)

70
70
67
67
65
64
63
63
64
55
45
41
38
37
37
40
45
51
66
78
80
77
79
81

Pressure (mb)

1021
1021
1021
1021
1021
1022
1022
1022
1022
1022
1022
1022
1022
1022
1021
1021
1021
1021
1022
1022
1023
1023
1023
1024

Ozone (du)

284
284
284
285
285
285
286
286
286
286
286
286
286
284
283
282
282
281
282
282
281
281
279
279

Sunday 21

Waning Crescent 0%

06:08

18:10

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 Bad
22 Bad

Sun - Rise: 05:57, Set: 18:07, Transit: 12:02. Moon - Rise: 06:08, Set: 18:10. Civil Dark: 18:34 - 05:30. Nautical Dark: 19:06 - 04:58. Astro Dark: 19:38 - 04:25

Total Clouds (% Sky Obscured)

100
100
100
99
98
97
98
99
100
100
100
100
100
100
100
100
100
99
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

1
2
2
1
1
0
11
22
31
21
11
1
13
35
89
93
42
63
52
5
5
5
4
0

Medium Clouds (% Sky Obscured)

90
83
90
98
98
97
98
99
100
95
88
82
82
84
85
86
79
73
44
33
32
37
38
67

High Clouds (% Sky Obscured)

100
100
100
91
82
73
82
91
100
100
100
100
100
96
95
100
100
99
100
100
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
6
7
7
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
Very Light Rain
Very Light Rain
None
Very Light Rain
None
None
None
None
None
None

Precipitation Probability (%)

1
2
3
7
12
16
17
20
24
23
26
17
29
32
40
40
30
46
10
2
1
1
1
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
89
90
92
90
90
90
90
86
79
73
67
62
60
58
71
79
77
85
89
93
92
93
93

Pressure (mb)

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

Ozone (du)

278
278
277
276
276
277
278
279
280
281
282
283
281
282
281
281
280
280
281
282
282
282
283
284

Monday 22

New Moon 2%

07:10

18:30

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 Bad
22 Bad

Sun - Rise: 05:58, Set: 18:05, Transit: 12:02. Moon - Rise: 07:10, Set: 18:30. Civil Dark: 18:32 - 05:31. Nautical Dark: 19:04 - 04:59. Astro Dark: 19:36 - 04:27

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
99
99
98
68
86
84
83
99
92
94
97
98
99
99
100
91
83
78

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
4
4
19
31
48
71
76
4
6
9
22
23
40
48
44
58

Medium Clouds (% Sky Obscured)

65
64
62
54
49
44
40
38
36
53
70
84
83
96
92
66
35
14
21
26
38
53
68
78

High Clouds (% Sky Obscured)

100
100
100
100
100
100
93
84
71
65
74
77
76
85
80
94
97
98
99
99
100
67
33
10

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
3
3
1
4
5
2
4
5
1
10
12
8
15
25
34
41
45
49
44
37
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

92
90
90
90
88
88
87
84
81
75
64
55
52
50
50
49
55
62
69
74
80
87
84
83

Pressure (mb)

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

Ozone (du)

284
285
285
286
286
286
286
288
289
289
290
290
291
291
291
292
292
293
293
294
295
297
297
298

Tuesday 23

Waxing Crescent 6%

08:12

18:51

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

Sun - Rise: 05:59, Set: 18:04, Transit: 12:01. Moon - Rise: 08:12, Set: 18:51. Civil Dark: 18:31 - 05:32. Nautical Dark: 19:02 - 05:00. Astro Dark: 19:35 - 04:28

Total Clouds (% Sky Obscured)

82
83
82
77
71
65
69
70
68
40
23
16
11
6
1
0
1
0
0
0
0
0
0
0

Low Clouds (% Sky Obscured)

47
44
37
47
57
55
38
19
0
6
11
13
11
6
1
0
1
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

67
64
65
51
38
26
44
61
68
40
23
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

9
8
38
36
21
3
12
13
11
5
2
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 (%)

18
9
1
1
1
0
0
0
0
0
0
0
0
1
1
6
6
4
8
8
5
3
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

80
83
86
90
90
90
90
84
77
73
67
64
59
57
56
55
60
66
73
78
84
92
90
92

Pressure (mb)

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

Ozone (du)

299
299
300
301
301
301
301
304
307
310
310
309
308
307
305
304
304
304
303
303
303
303
302
301

Wednesday 24

Waxing Crescent 11%

09:15

19:16

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

Sun - Rise: 06:00, Set: 18:02, Transit: 12:01. Moon - Rise: 09:15, Set: 19:16. Civil Dark: 18:29 - 05:33. Nautical Dark: 19:01 - 05:01. Astro Dark: 19:33 - 04:29

Total Clouds (% Sky Obscured)

0
0
0
3
7
10
7
3
0
13
27
40
38
37
35
23
12
0
0
0
0

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
9
18
28
30
32
34
23
11
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
2
4
4
2
1
0
1
3
5
5
4
2
1
1
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
1
2
3
2
1
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

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
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
2
5
1
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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

15
15
14
15
14
14
14
14
14
14
19
19
19
19
20
20
21
20
19
20
20

Dew Point (°C)

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

Relative Humidity (%)

92
92
92
92
90
89
88
79
70
63
52
44
38
38
39
40
45
51
57
61
63

Pressure (mb)

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

Ozone (du)

300
300
300
300
301
302
302
304
306
307
309
310
312
313
314
315
316
316
317
316
314

Forecast for Hongshikeng, China (40.40,117.58)

Generated: 18/09/25 23:56:56. Forecast: 18/09/25 to 24/09/25. Timezone: UTC+8.00