Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 28

Waxing Gibbous 94%

17:36

05:21

16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 OK
22 Bad
23 OK
00 OK
01 OK
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

Sun - Rise: 06:41, Set: 20:08, Transit: 13:25. Moon - Rise: 17:36, Set: 05:21. Civil Dark: 20:34 - 06:15. Nautical Dark: 21:06 - 05:44. Astro Dark: 21:38 - 05:11

Total Clouds (% Sky Obscured)

85
88
91
25
22
30
45
34
40
22
81
58
96
100
100
100
100
100
100
99
100
100
100
100

Low Clouds (% Sky Obscured)

39
21
37
18
14
30
42
34
38
22
25
55
94
100
100
100
85
85
86
84
91
94
87
76

Medium Clouds (% Sky Obscured)

25
10
7
14
19
30
30
27
32
22
52
48
51
42
57
84
89
62
71
93
97
97
99
66

High Clouds (% Sky Obscured)

49
16
91
25
0
0
5
2
6
22
80
11
26
53
79
78
100
57
56
51
31
55
50
98

ISS Passover

Visibility (miles)

9
9
8
8
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
Light Rain
Moderate Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
Very Light Rain
None
Very Light Rain

Precipitation Probability (%)

95
95
95
89
29
16
9
2
2
2
1
7
10
15
11
8
7
7
12
12
32
40
35
56

Precipitation Amount (mm)

0
0.6
4.1
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0
0.3

Wind Speed/Direction (mph)

8
5
10
13
14
13
13
14
13
12
11
10
10
12
12
14
14
12
11
10
10
11
11
9

Chance of Frost

Temperature (°C)

28
29
25
27
26
26
24
22
21
20
19
18
18
17
17
17
16
16
16
17
17
18
18
18

Feels Like (°C)

28
29
28
27
26
25
24
21
20
19
19
17
17
15
14
13
13
13
14
15
15
15
15
17

Dew Point (°C)

21
20
16
25
24
24
22
20
18
17
16
16
16
15
14
14
13
12
11
10
10
9
10
10

Relative Humidity (%)

65
56
56
87
88
88
88
87
86
85
85
86
86
85
82
82
79
75
69
64
61
58
61
57

Pressure (mb)

1008
1007
1008
1009
1010
1010
1012
1013
1013
1013
1013
1013
1014
1014
1014
1015
1015
1016
1016
1016
1016
1015
1015
1014

Ozone (du)

299
298
296
299
300
298
296
295
292
293
291
291
288
288
287
288
289
288
288
288
288
288
289
289

Wednesday 29

Waxing Gibbous 98%

18:34

05:48

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
12 Bad
13 Bad
14 Bad
15 Bad

Sun - Rise: 06:40, Set: 20:09, Transit: 13:25. Moon - Rise: 18:34, Set: 05:48. Civil Dark: 20:35 - 06:14. Nautical Dark: 21:06 - 05:42. Astro Dark: 21:39 - 05:09

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
94
93
100
100
91
97
100
100
100
99
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

65
66
69
100
100
100
100
98
58
44
22
36
19
21
13
8
7
25
85
81
97
97
98
97

Medium Clouds (% Sky Obscured)

75
78
73
61
75
57
53
30
30
50
50
2
28
65
100
100
100
97
100
100
100
100
100
95

High Clouds (% Sky Obscured)

60
62
100
46
60
7
29
65
71
56
98
60
67
58
100
100
100
71
95
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
7
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

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

Precipitation Probability (%)

60
17
45
32
27
6
1
0
0
0
0
0
0
0
3
23
36
63
66
90
95
95
95
95

Precipitation Amount (mm)

0.4
0
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0
0.4
0.7
2
1.1
1.2

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

18
18
19
18
18
18
18
18
18
18
18
18
18
17
17
17
17
17
16
16
16
16
16
16

Feels Like (°C)

17
18
18
16
16
15
15
17
17
17
16
16
17
16
16
16
15
15
15
14
15
14
14
15

Dew Point (°C)

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

Relative Humidity (%)

59
60
63
70
72
71
70
70
71
73
77
79
85
85
85
82
77
74
69
68
72
69
80
83

Pressure (mb)

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

Ozone (du)

290
289
291
294
293
293
293
294
294
296
295
294
292
291
294
296
296
297
295
296
297
297
299
299

Thursday 30

Waxing Gibbous 100%

19:33

06:17

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
12 Bad
13 Bad
14 Bad
15 Bad

Sun - Rise: 06:39, Set: 20:10, Transit: 13:25. Moon - Rise: 19:33, Set: 06:17. Civil Dark: 20:36 - 06:13. Nautical Dark: 21:07 - 05:41. Astro Dark: 21:40 - 05:08

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
97
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

99
100
100
100
99
98
91
88
97
96
96
95
94
96
94
95
95
95
90
85
85
83
83
93

Medium Clouds (% Sky Obscured)

97
99
100
98
100
100
97
97
90
97
100
100
100
99
100
100
100
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

100
100
100
100
100
100
94
83
79
88
100
100
100
100
100
100
100
100
100
100
100
94
100
99

ISS Passover

Visibility (miles)

4
1
4
9
9
9
8
9
9
9
9
9
9
3
8
8
2
2
3
2
2
5
2
2

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

Precipitation Probability (%)

95
95
71
47
65
83
44
1
1
18
24
18
57
86
86
95
95
95
95
95
95
95
95
95

Precipitation Amount (mm)

1
2.1
0.5
0
0.2
0.4
0
0
0
0
0
0
0
0.3
0
0.7
1.4
1.2
1.3
2.2
1.9
1.2
2.2
1.5

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

16
16
16
16
16
16
16
16
15
15
15
15
15
15
15
14
14
14
14
14
14
14
14
14

Feels Like (°C)

14
15
14
14
15
14
15
14
14
14
14
12
12
13
12
11
11
11
11
9
9
9
9
9

Dew Point (°C)

14
14
15
15
14
15
15
15
14
15
15
14
14
14
14
13
13
13
13
13
13
13
13
13

Relative Humidity (%)

87
90
93
93
92
93
95
93
93
95
95
95
93
95
95
93
95
95
95
93
95
95
93
95

Pressure (mb)

1013
1013
1013
1013
1014
1014
1015
1015
1015
1015
1014
1013
1013
1014
1014
1014
1015
1015
1015
1015
1016
1014
1015
1015

Ozone (du)

300
299
301
304
303
303
304
305
307
306
309
305
305
308
309
314
311
316
319
319
323
320
321
325

Friday 1

Full Moon 100%

20:32

06:50

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

Sun - Rise: 06:38, Set: 20:10, Transit: 13:25. Moon - Rise: 20:32, Set: 06:50. Civil Dark: 20:37 - 06:12. Nautical Dark: 21:08 - 05:40. Astro Dark: 21:41 - 05:07

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
97
93
90
62
33
4
2
0
1
7
7
9
12
18
18
12
8
5

Low Clouds (% Sky Obscured)

80
79
75
80
86
91
87
83
57
46
33
3
2
0
0
0
0
0
6
12
18
12
6
0

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
96
92
81
56
33
4
2
0
1
7
7
8
7
15
2
3
8
5

High Clouds (% Sky Obscured)

100
80
65
65
65
54
32
25
9
6
3
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

7
2
5
5
3
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

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

Precipitation Probability (%)

95
95
95
95
76
55
45
36
13
9
5
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

1.8
2.2
0.9
0.9
0.4
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

10
9
9
9
9
9
9
10
11
11
11
11
11
11
11
10
10
12
14
15
15
18
18
17

Dew Point (°C)

13
12
12
12
12
12
12
12
12
12
12
12
11
11
10
10
10
10
8
8
7
7
7
7

Relative Humidity (%)

92
93
93
93
93
93
92
93
93
95
95
96
95
96
95
93
88
79
67
58
49
45
43
42

Pressure (mb)

1016
1016
1016
1016
1017
1018
1019
1019
1020
1020
1020
1020
1020
1020
1021
1021
1022
1023
1023
1023
1023
1023
1022
1022

Ozone (du)

324
324
328
326
328
331
332
331
331
331
332
334
334
335
336
337
337
339
340
340
341
342
342
343

Saturday 2

Waning Gibbous 98%

21:31

07:28

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

Sun - Rise: 06:37, Set: 20:11, Transit: 13:25. Moon - Rise: 21:31, Set: 07:28. Civil Dark: 20:37 - 06:11. Nautical Dark: 21:09 - 05:39. Astro Dark: 21:42 - 05:06

Total Clouds (% Sky Obscured)

5
5
3
18
30
46
42
36
31
23
15
6
4
2
0
0
0
0
11
25
40
40
41
41

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
2
4
12
20
28

Medium Clouds (% Sky Obscured)

5
5
3
18
30
46
42
31
3
4
5
6
4
2
0
0
0
0
1
2
7
10
8
9

High Clouds (% Sky Obscured)

0
0
0
8
16
20
22
28
27
20
10
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)

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

Chance of Frost

Temperature (°C)

21
20
20
20
19
18
17
16
16
15
15
14
14
14
13
13
15
16
18
19
20
22
22
23

Feels Like (°C)

17
17
18
18
17
17
16
16
16
16
15
15
15
14
14
15
15
15
15
16
17
18
24
23

Dew Point (°C)

8
8
8
10
10
10
10
10
10
10
9
9
8
8
9
8
9
9
9
8
8
7
7
7

Relative Humidity (%)

43
43
45
52
58
60
61
65
67
69
68
69
69
70
72
72
67
62
55
49
44
39
37
36

Pressure (mb)

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

Ozone (du)

344
345
347
349
350
350
351
351
354
360
374
383
382
381
381
381
377
373
368
366
364
363
360
358

Sunday 3

Waning Gibbous 94%

22:29

08:12

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

Sun - Rise: 06:36, Set: 20:12, Transit: 13:24. Moon - Rise: 22:29, Set: 08:12. Civil Dark: 20:38 - 06:10. Nautical Dark: 21:10 - 05:38. Astro Dark: 21:43 - 05:04

Total Clouds (% Sky Obscured)

28
17
6
10
23
45
58
42
40
28
24
5
0
0
5
9
15
20
27
32
37
42
46
65

Low Clouds (% Sky Obscured)

18
10
2
2
1
0
0
0
0
0
0
0
0
0
0
6
11
17
11
6
0
12
19
4

Medium Clouds (% Sky Obscured)

5
2
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)

1
5
6
10
23
30
34
27
26
23
19
5
0
0
5
7
5
3
27
32
37
42
46
65

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)

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

Chance of Frost

Temperature (°C)

23
23
22
22
21
20
19
18
17
17
16
16
15
15
15
14
16
17
19
21
22
24
25
26

Feels Like (°C)

22
22
23
23
19
19
19
18
18
17
14
14
14
14
13
13
13
13
14
15
16
18
25
24

Dew Point (°C)

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

Relative Humidity (%)

33
37
39
44
46
50
54
55
58
60
61
61
64
65
66
67
61
54
50
46
44
41
40
38

Pressure (mb)

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

Ozone (du)

356
353
351
349
348
347
347
347
347
347
347
348
348
348
348
347
348
349
349
348
347
346
347
347

Monday 4

Waning Gibbous 88%

23:24

09:01

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
12 Bad

Sun - Rise: 06:35, Set: 20:13, Transit: 13:24. Moon - Rise: 23:24, Set: 09:01. Civil Dark: 20:39 - 06:09. Nautical Dark: 21:11 - 05:37. Astro Dark: 21:45 - 05:03

Total Clouds (% Sky Obscured)

81
95
94
93
96
98
99
100
100
100
100
100
100
100
100
99
99
98
98
99
99

Low Clouds (% Sky Obscured)

4
3
0
1
3
0
0
0
0
5
10
15
26
37
49
48
48
48
47
46
45

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
5
10
16
20
32
33
33
24
15
33
38
50

High Clouds (% Sky Obscured)

73
84
91
93
96
98
99
100
100
100
100
100
99
99
98
98
98
97
97
98
98

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
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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

26
26
25
25
24
23
22
21
21
20
20
20
20
19
19
19
20
21
22
24
25

Feels Like (°C)

24
24
25
25
23
22
22
22
21
21
18
17
17
18
17
18
17
17
17
17
18

Dew Point (°C)

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

Relative Humidity (%)

37
40
43
46
50
55
60
60
60
61
62
61
62
64
68
71
68
64
61
57
53

Pressure (mb)

1011
1010
1010
1009
1009
1009
1010
1009
1009
1009
1008
1008
1007
1007
1007
1007
1007
1007
1007
1007
1006

Ozone (du)

347
347
347
347
347
346
346
344
343
341
339
338
336
334
331
329
329
329
329
329
328

Forecast for Grapevine, Tarrant, United States of America (32.95,-97.07)

Generated: 28/04/26 16:22:35. Forecast: 28/04/26 to 04/05/26. Timezone: UTC-5.00