Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 21

Waxing Crescent 17%

08:56

22:13

12 Good
13 Good
14 Good
15 Good
16 Good
17 Good
18 OK
19 Good
20 OK
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: 06:53, Set: 17:51, Transit: 12:23. Moon - Rise: 08:56, Set: 22:13. Civil Dark: 18:19 - 06:26. Nautical Dark: 18:50 - 05:54. Astro Dark: 19:22 - 05:22

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
33
11
43
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
27
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
29
11
43
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)

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

Chance of Frost

Temperature (°C)

14
14
14
13
12
10
7
3
0
-1
-4
-5
-6
-6
-6
-7
-7
-8
-8
-8
-7
-6
-6
-5

Feels Like (°C)

9
9
8
6
6
6
1
-4
-4
-5
-9
-10
-11
-11
-10
-10
-10
-11
-11
-11
-11
-11
-11
-10

Dew Point (°C)

-9
-8
-8
-15
-13
-11
-11
-11
-13
-14
-17
-17
-18
-18
-18
-18
-19
-19
-19
-21
-23
-25
-24
-23

Relative Humidity (%)

19
21
22
13
17
22
27
34
36
37
35
37
40
39
39
38
39
39
39
36
28
21
21
21

Pressure (mb)

995
994
993
993
993
994
996
998
1000
1002
1005
1006
1008
1009
1010
1010
1011
1013
1014
1015
1016
1017
1018
1018

Ozone (du)

362
366
369
372
377
377
380
384
386
393
397
400
401
403
400
399
395
396
395
404
412
411
416
404

Sunday 22

Waxing Crescent 26%

09:27

23:28

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

Sun - Rise: 06:52, Set: 17:52, Transit: 12:23. Moon - Rise: 09:27, Set: 23:28. Civil Dark: 18:20 - 06:24. Nautical Dark: 18:51 - 05:53. Astro Dark: 19:23 - 05:21

Total Clouds (% Sky Obscured)

60
100
6
0
2
0
0
0
0
0
29
88
41
100
96
68
44
62
92
37
30
29
79
57

Low Clouds (% Sky Obscured)

60
89
5
0
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

12
98
0
0
0
0
0
0
0
0
0
48
41
75
96
56
44
54
86
37
30
29
60
57

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
29
88
0
30
45
24
4
10
55
6
1
27
68
45

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)

18
17
18
18
17
15
12
9
6
5
4
4
4
5
5
5
3
3
4
4
4
5
7
8

Chance of Frost

Temperature (°C)

-4
-2
-2
-2
-4
-5
-7
-7
-8
-9
-10
-10
-10
-10
-10
-9
-9
-10
-10
-10
-9
-7
-5
-4

Feels Like (°C)

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

Dew Point (°C)

-23
-22
-25
-28
-26
-24
-24
-24
-24
-25
-25
-25
-25
-26
-27
-27
-27
-27
-26
-26
-25
-25
-24
-23

Relative Humidity (%)

21
20
14
11
16
21
23
24
25
26
27
27
27
26
24
21
22
23
25
26
25
21
21
21

Pressure (mb)

1018
1017
1017
1017
1018
1019
1021
1022
1024
1024
1025
1025
1025
1026
1025
1025
1025
1026
1026
1027
1027
1027
1027
1026

Ozone (du)

405
403
406
404
409
407
406
406
406
408
406
398
391
384
380
377
374
375
377
373
373
372
372
374

Monday 23

Waxing Crescent 37%

10:05

00:44

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

Sun - Rise: 06:50, Set: 17:53, Transit: 12:23. Moon - Rise: 10:05, Set: 00:44. Civil Dark: 18:21 - 06:23. Nautical Dark: 18:52 - 05:51. Astro Dark: 19:24 - 05:20

Total Clouds (% Sky Obscured)

87
100
100
100
100
100
100
100
100
100
64
55
21
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)

42
41
81
84
27
33
32
32
3
0
2
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

83
100
100
100
100
100
100
100
100
100
63
55
21
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)

9
10
11
8
7
6
5
4
3
3
1
1
2
2
2
1
1
1
1
1
1
1
2
3

Chance of Frost

Temperature (°C)

-3
-2
-2
-3
-3
-4
-5
-6
-6
-6
-6
-7
-7
-7
-8
-8
-8
-8
-8
-8
-6
-4
-2
0

Feels Like (°C)

-7
-7
-8
-8
-8
-9
-9
-9
-10
-10
-9
-10
-10
-9
-9
-9
-9
-9
-9
-9
-7
-5
-3
-2

Dew Point (°C)

-22
-22
-21
-21
-20
-19
-17
-16
-16
-16
-15
-15
-15
-15
-15
-15
-15
-15
-15
-15
-15
-15
-15
-15

Relative Humidity (%)

20
20
21
22
25
30
38
42
44
45
48
50
51
53
54
55
54
54
55
57
49
40
35
31

Pressure (mb)

1025
1024
1023
1023
1023
1023
1024
1024
1025
1025
1025
1025
1025
1025
1025
1025
1024
1024
1024
1025
1025
1025
1024
1024

Ozone (du)

373
372
373
372
373
373
370
367
366
368
370
372
374
379
386
388
390
394
396
392
387
381
378
381

Tuesday 24

First Quarter 49%

10:54

01:59

12 Good
13 Good
14 Good
15 Good
16 Good
17 Good
18 Good
19 Good
20 OK
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: 06:49, Set: 17:55, Transit: 12:22. Moon - Rise: 10:54, Set: 01:59. Civil Dark: 18:22 - 06:21. Nautical Dark: 18:54 - 05:50. Astro Dark: 19:25 - 05:18

Total Clouds (% Sky Obscured)

0
0
0
0
0
2
5
18
43
44
69
91
95
99
99
99
99
100
100
100
100
100
100
99

Low Clouds (% Sky Obscured)

0
0
0
0
0
2
5
13
36
42
63
47
87
97
98
99
99
100
100
100
97
97
98
98

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
2
2
1
0
26
51
67
27
25
67
71
13
3
18
62
99
78

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
1
0
0
25
45
66
42
21
5
17
28
40
58
77
95
66

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
6
6
1
0
0
0
0
0
0
0
1
1
2
3

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
7
26
20
22
27
32
30
27
22
20
9
14
7

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-15
-14
-14
-14
-13
-11
-10
-9
-7
-6
-5
-5
-5
-4
-4
-4
-4
-3
-3
-3
-3
-2
-2
-1

Relative Humidity (%)

30
29
30
31
35
43
58
66
81
92
96
96
96
94
94
94
94
96
94
96
92
89
86
88

Pressure (mb)

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

Ozone (du)

383
382
379
378
377
380
386
389
388
387
390
390
390
389
388
383
378
373
372
371
372
372
375
377

Wednesday 25

Waxing Gibbous 61%

11:53

03:08

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: 06:47, Set: 17:56, Transit: 12:22. Moon - Rise: 11:53, Set: 03:08. Civil Dark: 18:23 - 06:20. Nautical Dark: 18:55 - 05:48. Astro Dark: 19:26 - 05:17

Total Clouds (% Sky Obscured)

98
97
98
99
100
100
100
95
100
100
100
100
100
94
96
99
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

98
97
98
98
99
100
100
79
50
46
55
52
63
66
6
10
15
28
27
38
56
66
89
92

Medium Clouds (% Sky Obscured)

65
43
27
14
0
30
63
95
100
100
100
100
100
94
83
68
73
81
90
100
100
100
100
98

High Clouds (% Sky Obscured)

42
16
44
73
100
100
100
94
100
100
100
100
100
94
96
99
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

8
7
9
8
8
9
7
8
9
9
9
9
9
9
9
9
9
9
9
9
9
6
3
0

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 (%)

5
1
0
0
11
2
0
0
1
2
1
2
2
0
1
2
3
11
13
7
29
35
34
39

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)

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

Chance of Frost

Temperature (°C)

1
1
2
2
1
1
0
-0
-1
-1
-2
-2
-2
-2
-2
-2
-1
-1
-1
-0
0
0
0
1

Feels Like (°C)

-3
-3
-2
-2
-3
-3
-3
-3
-3
-4
-4
-4
-4
-5
-4
-4
-4
-4
-4
-3
-4
-3
-3
-3

Dew Point (°C)

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

Relative Humidity (%)

84
81
78
77
80
84
92
92
96
94
92
91
91
91
91
91
91
91
87
86
83
83
83
83

Pressure (mb)

1019
1018
1017
1017
1017
1017
1018
1019
1019
1020
1020
1021
1021
1021
1021
1020
1021
1021
1021
1021
1022
1022
1022
1022

Ozone (du)

376
371
364
359
352
345
339
338
339
340
341
341
342
344
346
348
351
353
351
349
348
350
353
355

Thursday 26

Waxing Gibbous 72%

11:53

04:07

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: 06:46, Set: 17:57, Transit: 12:22. Moon - Rise: 11:53, Set: 04:07. Civil Dark: 18:24 - 06:19. Nautical Dark: 18:56 - 05:47. Astro Dark: 19:27 - 05:15

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
97
94
90
93
96
99
99

Low Clouds (% Sky Obscured)

92
93
93
95
100
96
93
89
93
96
100
99
98
98
96
94
92
90
89
88
85
81
75
83

Medium Clouds (% Sky Obscured)

95
93
89
86
86
88
87
90
93
97
100
97
96
91
85
82
80
55
30
5
6
11
31
22

High Clouds (% Sky Obscured)

100
100
100
100
100
99
98
97
98
99
100
99
99
98
98
97
96
64
32
0
0
0
0
0

ISS Passover

Visibility (miles)

1
1
2
1
1
0
0
0
0
0
0
0
0
0
0
2
4
6
7
8
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

Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
None
Snow
Snow
None
Snow
Snow
None
None
None
None
None

Precipitation Probability (%)

45
50
53
58
65
68
75
76
72
67
55
51
48
38
42
41
36
36
34
28
28
26
18
21

Precipitation Amount (mm)

0.1
0.2
0.2
0.2
0.3
0.3
0.4
0.5
0.4
0.3
0.2
0.2
0.2
0
0.1
0.1
0
0.1
0.1
0
0
0
0
0

Wind Speed/Direction (mph)

4
4
5
5
5
5
5
5
5
4
4
4
4
4
4
4
5
5
5
5
4
3
3
3

Chance of Frost

Temperature (°C)

1
1
1
0
0
-1
-1
-2
-3
-5
-5
-6
-6
-6
-7
-7
-7
-7
-7
-7
-7
-5
-3
-1

Feels Like (°C)

-3
-2
-2
-3
-3
-3
-3
-4
-4
-8
-8
-9
-10
-10
-9
-11
-11
-10
-10
-11
-11
-10
-10
-9

Dew Point (°C)

-2
-2
-3
-2
-2
-2
-2
-3
-5
-6
-7
-7
-8
-8
-8
-8
-8
-9
-9
-9
-10
-9
-8
-8

Relative Humidity (%)

83
81
78
84
87
92
92
92
91
92
90
90
90
90
90
90
90
90
88
83
82
74
68
62

Pressure (mb)

1022
1021
1021
1021
1021
1021
1022
1022
1023
1023
1023
1023
1023
1023
1023
1022
1022
1022
1022
1022
1023
1022
1022
1021

Ozone (du)

353
351
349
353
357
360
361
362
363
365
366
368
374
381
387
387
387
387
389
392
394
396
398
400

Friday 27

Waxing Gibbous 82%

13:02

04:55

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

Sun - Rise: 06:44, Set: 17:58, Transit: 12:22. Moon - Rise: 13:02, Set: 04:55. Civil Dark: 18:25 - 06:17. Nautical Dark: 18:57 - 05:45. Astro Dark: 19:28 - 05:14

Total Clouds (% Sky Obscured)

99
98
98
98
98
99
99
100
100
100
100
100
100
100
97
94
92
94
97
100

Low Clouds (% Sky Obscured)

92
98
98
98
98
99
99
100
98
96
94
96
98
100
90
80
69
56
44
31

Medium Clouds (% Sky Obscured)

11
2
3
6
14
28
36
35
36
63
91
93
94
95
79
64
49
46
37
21

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
3
6
9
39
70
100
82
64
46
64
82
100

ISS Passover

Visibility (miles)

9
9
9
6
4
1
1
0
0
1
2
3
3
2
2
2
2
3
5
7

Fog (%)

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

Precipitation Probability (%)

18
4
12
13
12
13
12
12
11
12
12
12
14
17
19
17
13
9
5
0

Precipitation Amount (mm)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-8
-7
-6
-2
-2
-2
-3
-3
-4
-6
-7
-6
-7
-7
-7
-8
-8
-8
-8
-8

Dew Point (°C)

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

Relative Humidity (%)

62
62
63
70
77
86
91
92
94
96
96
98
96
96
96
96
96
96
92
87

Pressure (mb)

1020
1019
1017
1017
1018
1018
1018
1019
1019
1019
1020
1020
1020
1020
1020
1021
1021
1021
1021
1022

Ozone (du)

399
398
398
395
392
389
386
383
379
374
369
364
359
354
350
352
355
358
360
362

Forecast for Hongshikeng, China (40.40,117.58)

Generated: 21/02/26 12:52:41. Forecast: 21/02/26 to 27/02/26. Timezone: UTC+8.00