Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 30

Waxing Gibbous 99%

17:51

04:27

17 Good
18 Good
19 Bad
20 Good
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 OK
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

Sun - Rise: 05:08, Set: 19:03, Transit: 12:06. Moon - Rise: 17:51, Set: 04:27. Civil Dark: 19:33 - 04:39. Nautical Dark: 20:08 - 04:03. Astro Dark: 20:47 - 03:24

Total Clouds (% Sky Obscured)

0
6
67
4
100
100
92
100
100
83
41
58
80
100
66
63
100
100
100
99
97
99
95
99

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
3
49
81
99
83
41
51
19
14
17
26
4
0
50
5
20
10
16
21

High Clouds (% Sky Obscured)

0
6
67
1
100
100
48
100
100
83
9
48
80
100
43
37
100
100
100
97
90
97
83
96

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)

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

Chance of Frost

Temperature (°C)

22
20
16
14
14
14
14
13
14
13
12
11
11
11
14
16
18
20
21
23
23
23
22
22

Feels Like (°C)

21
20
15
13
13
11
11
10
11
10
10
10
9
9
10
12
14
16
18
20
20
19
18
18

Dew Point (°C)

-7
-2
-3
-4
-5
-4
-3
-3
-3
-3
-3
-3
-3
-3
-3
-4
-4
-4
-4
-3
-3
-3
-3
-3

Relative Humidity (%)

14
21
27
29
27
27
30
32
31
33
35
37
37
38
32
25
22
20
18
17
18
18
18
19

Pressure (mb)

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

Ozone (du)

368
367
367
367
368
370
369
366
362
361
362
366
362
362
359
349
346
347
344
341
339
337
336
332

Friday 1

Waxing Gibbous 100%

18:55

04:53

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
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad

Sun - Rise: 05:07, Set: 19:04, Transit: 12:06. Moon - Rise: 18:55, Set: 04:53. Civil Dark: 19:34 - 04:38. Nautical Dark: 20:10 - 04:01. Astro Dark: 20:49 - 03:22

Total Clouds (% Sky Obscured)

100
100
100
100
100
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
15
15
7
7
0
0
0
0
14
21
24
40
42
32
26
41
92
93
55

Medium Clouds (% Sky Obscured)

53
70
89
95
77
91
95
100
97
97
89
90
100
100
100
100
100
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

100
100
100
100
100
95
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
90
85

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
4

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
Very Light Rain
None
Light Rain
Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
17
15
17
35
35
76
85

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0
0.8
0.5

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

17
16
13
11
11
10
9
10
9
8
8
9
8
9
11
12
13
14
14
14
15
16
14
11

Dew Point (°C)

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

Relative Humidity (%)

21
26
35
39
41
45
45
41
40
39
38
39
40
41
41
39
44
42
39
40
40
36
42
61

Pressure (mb)

1009
1009
1010
1010
1011
1011
1010
1010
1009
1009
1008
1008
1007
1007
1007
1007
1007
1007
1006
1006
1005
1004
1004
1004

Ozone (du)

331
330
333
334
334
333
331
330
330
330
329
331
332
333
335
335
338
338
339
341
343
348
352
356

Saturday 2

Full Moon 99%

19:59

05:24

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 OK
08 Bad
09 OK
10 OK
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad

Sun - Rise: 05:06, Set: 19:05, Transit: 12:06. Moon - Rise: 19:59, Set: 05:24. Civil Dark: 19:35 - 04:36. Nautical Dark: 20:11 - 04:00. Astro Dark: 20:50 - 03:21

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
83
98
84
68
60
55
45
25
53
25
28
100
71
72
67
56
50

Low Clouds (% Sky Obscured)

54
93
94
91
39
35
35
40
40
40
35
35
35
23
8
15
13
11
17
50
44
18
27
12

Medium Clouds (% Sky Obscured)

99
100
100
100
100
100
100
74
97
80
60
45
25
20
15
46
20
24
100
57
58
57
55
50

High Clouds (% Sky Obscured)

85
76
74
26
15
100
25
58
63
48
62
60
55
45
25
45
25
28
35
20
15
10
10
10

ISS Passover

Visibility (miles)

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

Light Rain
Moderate Rain
Moderate Rain
Heavy Rain
Moderate Rain
Moderate Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

95
95
95
95
95
95
95
95
95
95
95
95
75
38
15
11
9
5
16
10
14
9
9
7

Precipitation Amount (mm)

0.5
2.5
7.1
12.2
8
3.1
2
1.8
1.8
2.1
1.2
0.6
0.3
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

7
8
9
8
6
5
5
5
5
5
5
5
5
5
5
5
4
3
2
2
1
0
-1
-1

Relative Humidity (%)

62
70
91
93
94
94
93
93
91
93
93
93
91
88
85
79
69
58
52
47
42
40
38
37

Pressure (mb)

1004
1005
1006
1006
1008
1008
1008
1008
1007
1007
1007
1007
1007
1007
1007
1007
1007
1007
1007
1006
1006
1006
1005
1005

Ozone (du)

360
369
377
377
379
385
381
378
378
381
384
388
389
391
397
399
398
397
397
396
395
392
391
391

Sunday 3

Waning Gibbous 96%

21:01

06:01

17 OK
18 OK
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
12 Good
13 Good
14 Good
15 Good
16 Good

Sun - Rise: 05:05, Set: 19:06, Transit: 12:06. Moon - Rise: 21:01, Set: 06:01. Civil Dark: 19:36 - 04:35. Nautical Dark: 20:12 - 03:58. Astro Dark: 20:52 - 03:19

Total Clouds (% Sky Obscured)

37
19
17
9
10
5
4
3
1
3
0
2
1
3
2
0
0
0
0
0
0
3
4
5

Low Clouds (% Sky Obscured)

2
2
6
1
0
2
1
1
0
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

35
15
17
9
10
5
2
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

9
2
4
2
1
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
1

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 (%)

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

Chance of Frost

Temperature (°C)

13
12
10
8
8
7
7
7
6
6
6
6
6
7
10
13
14
16
17
17
18
19
20
20

Feels Like (°C)

10
10
8
6
6
6
6
6
6
6
6
6
5
6
9
10
12
14
15
15
16
17
18
18

Dew Point (°C)

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

Relative Humidity (%)

37
46
53
60
65
71
75
78
76
75
78
78
78
71
52
29
25
25
25
24
23
23
22
22

Pressure (mb)

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

Ozone (du)

392
394
396
399
402
402
403
406
403
399
397
396
395
394
394
391
386
381
376
367
365
368
366
365

Monday 4

Waning Gibbous 92%

22:01

06:45

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 OK
07 OK
08 OK
09 Bad
10 Bad
11 Bad
12 OK
13 Good
14 Good
15 OK
16 OK

Sun - Rise: 05:03, Set: 19:07, Transit: 12:06. Moon - Rise: 22:01, Set: 06:45. Civil Dark: 19:37 - 04:34. Nautical Dark: 20:14 - 03:57. Astro Dark: 20:53 - 03:17

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
4
10
15
18
21
26
40
55
65
49
30
14
18
22
22

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
1
3
2
1
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
4
10
15
18
21
26
40
55
65
44
24
1
5
15
22

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)

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

Chance of Frost

Temperature (°C)

19
17
13
12
12
11
11
10
10
10
10
10
9
11
14
17
18
20
21
22
22
22
22
21

Feels Like (°C)

17
16
12
12
11
10
10
10
10
10
10
10
9
11
14
16
17
18
18
18
19
19
19
19

Dew Point (°C)

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

Relative Humidity (%)

23
35
40
40
40
43
48
50
51
52
51
51
50
48
41
32
28
25
22
23
24
25
26
27

Pressure (mb)

1008
1009
1010
1011
1011
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1011
1011
1010
1009
1008
1008
1007
1007

Ozone (du)

367
365
361
357
354
354
352
353
353
354
352
351
348
347
347
346
345
344
344
342
339
337
338
338

Tuesday 5

Waning Gibbous 85%

22:55

07:36

17 Good
18 Good
19 Good
20 Good
21 Good
22 OK
23 OK
00 OK
01 OK
02 OK
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

Sun - Rise: 05:02, Set: 19:08, Transit: 12:06. Moon - Rise: 22:55, Set: 07:36. Civil Dark: 19:38 - 04:32. Nautical Dark: 20:15 - 03:56. Astro Dark: 20:55 - 03:15

Total Clouds (% Sky Obscured)

18
12
13
15
18
20
27
28
25
40
56
72
74
75
74
72
69
68
78
91
100
100
100
100

Low Clouds (% Sky Obscured)

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

Medium Clouds (% Sky Obscured)

0
1
2
5
12
17
22
20
15
14
14
10
8
7
5
6
5
6
20
31
42
54
66
78

High Clouds (% Sky Obscured)

18
12
10
4
2
0
2
5
7
20
34
51
57
70
68
65
68
68
78
91
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
7
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

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
15
21
26
18
10
3
5
5
3
20
28
35

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

2
3
3
4
5
5
5
5
5
6
6
6
6
7
7
8
8
8
8
9
10
10
11
12

Relative Humidity (%)

28
33
39
47
50
51
53
55
58
60
61
63
65
62
59
57
53
51
47
48
48
47
55
62

Pressure (mb)

1006
1007
1007
1007
1008
1008
1008
1008
1008
1007
1007
1007
1007
1008
1008
1008
1008
1008
1008
1007
1007
1006
1006
1007

Ozone (du)

339
339
339
338
337
336
334
332
329
326
324
323
321
320
320
319
319
318
318
319
320
321
325
328

Wednesday 6

Waning Gibbous 78%

23:41

08:34

17 Bad
18 Bad
19 OK
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
12 Good
13 Good

Sun - Rise: 05:01, Set: 19:09, Transit: 12:06. Moon - Rise: 23:41, Set: 08:34. Civil Dark: 19:39 - 04:31. Nautical Dark: 20:16 - 03:54. Astro Dark: 20:56 - 03:14

Total Clouds (% Sky Obscured)

69
36
4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
2

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

Medium Clouds (% Sky Obscured)

67
36
4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
2

High Clouds (% Sky Obscured)

67
33
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

4
5
7
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 (%)

39
39
37
28
17
0
0
0
0
0
0
0
0
0
0
0
0
1
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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

18
16
14
12
11
11
10
10
9
9
9
8
8
10
12
15
16
17
19
19
20

Feels Like (°C)

18
18
17
16
10
10
9
9
9
9
8
8
7
7
7
6
14
15
14
14
15

Dew Point (°C)

13
10
7
4
3
2
1
0
-1
-2
-3
-4
-5
-6
-6
-7
-6
-6
-5
-6
-6

Relative Humidity (%)

73
67
62
58
56
54
53
51
50
48
45
42
39
33
27
22
21
20
19
18
17

Pressure (mb)

1007
1008
1010
1011
1012
1013
1014
1014
1014
1015
1015
1015
1015
1015
1015
1015
1015
1014
1014
1013
1011

Ozone (du)

332
334
336
338
343
348
353
359
364
370
371
373
374
376
378
381
380
379
378
377
376

Forecast for Hongshikeng, China (40.40,117.58)

Generated: 30/04/26 17:50:44. Forecast: 30/04/26 to 06/05/26. Timezone: UTC+8.00