Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 27

Waxing Gibbous 88%

16:06

04:21

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

Sun - Rise: 05:58, Set: 19:46, Transit: 12:53. Moon - Rise: 16:06, Set: 04:21. Civil Dark: 20:15 - 05:29. Nautical Dark: 20:50 - 04:54. Astro Dark: 21:27 - 04:16

Total Clouds (% Sky Obscured)

66
72
72
81
42
2
29
99
100
100
100
100
100
100
100
100
98
94
62
33
40
37
25
23

Low Clouds (% Sky Obscured)

66
72
72
81
41
2
14
12
80
87
77
78
92
98
95
89
89
86
62
33
40
37
25
23

Medium Clouds (% Sky Obscured)

16
18
2
0
0
0
10
94
89
96
100
100
96
100
98
92
39
6
4
3
1
3
5
3

High Clouds (% Sky Obscured)

0
0
0
0
0
0
2
44
100
48
100
100
100
100
100
73
47
0
0
0
0
3
3
0

ISS Passover

Visibility (miles)

8
9
9
9
9
9
9
9
8
9
9
9
2
7
2
0
0
9
9
9
9
9
9
9

Fog (%)

14
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
Very Light Rain
Light Rain
Light Rain
Moderate Rain
Light Rain
Moderate Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
2
1
1
3
19
54
78
95
95
95
95
95
95
62
38
23
10
4
4
2
3

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0.2
0.5
2
2.5
1.5
2.9
0.7
0.3
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

6
6
5
7
8
11
12
13
13
12
11
9
8
6
5
4
4
4
4
3
3
3
3
4

Feels Like (°C)

1
1
1
2
5
8
10
11
9
8
7
5
4
2
1
-1
-1
-1
-0
-0
-0
-1
-1
1

Dew Point (°C)

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

Relative Humidity (%)

91
90
80
64
51
43
37
34
33
37
50
59
79
91
90
94
94
89
86
88
86
83
82
79

Pressure (mb)

1010
1012
1013
1012
1011
1010
1009
1009
1008
1009
1010
1011
1013
1014
1015
1016
1016
1016
1015
1016
1016
1015
1015
1015

Ozone (du)

346
348
350
350
350
352
351
349
346
353
355
354
358
361
364
365
365
364
364
366
372
378
383
383

Tuesday 28

Waxing Gibbous 94%

17:09

04:43

08 OK
09 OK
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
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad

Sun - Rise: 05:57, Set: 19:47, Transit: 12:53. Moon - Rise: 17:09, Set: 04:43. Civil Dark: 20:16 - 05:28. Nautical Dark: 20:51 - 04:53. Astro Dark: 21:29 - 04:15

Total Clouds (% Sky Obscured)

23
15
70
59
84
61
78
66
60
52
61
73
80
95
64
61
60
54
50
54
66
54
72
84

Low Clouds (% Sky Obscured)

23
11
39
21
42
41
71
58
2
2
2
10
2
2
0
0
16
20
18
36
41
44
40
57

Medium Clouds (% Sky Obscured)

3
5
65
59
84
22
78
66
60
52
61
73
80
95
64
8
4
7
10
13
11
16
17
49

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
5
13
46
28
27
7
5
0
1
10
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 (%)

5
1
17
35
25
34
39
14
4
1
1
1
2
1
1
0
0
0
0
0
1
3
22
18

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
9
11
11
14
14
14
8
6
6
5
4
4
5
8
7
4
3
3
2
2
3
4

Chance of Frost

Temperature (°C)

6
9
11
12
13
13
13
13
13
13
13
13
12
10
9
8
6
6
6
6
5
5
5
5

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

69
59
56
48
44
43
39
44
43
32
29
36
39
43
47
48
60
64
60
60
60
61
61
67

Pressure (mb)

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

Ozone (du)

385
387
391
395
391
389
390
390
386
382
377
377
380
383
384
383
382
379
373
371
373
373
371
367

Wednesday 29

Waxing Gibbous 98%

18:11

05:05

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
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad

Sun - Rise: 05:56, Set: 19:48, Transit: 12:52. Moon - Rise: 18:11, Set: 05:05. Civil Dark: 20:17 - 05:27. Nautical Dark: 20:52 - 04:51. Astro Dark: 21:30 - 04:13

Total Clouds (% Sky Obscured)

99
86
86
81
65
73
86
97
78
100
100
100
100
100
100
68
100
100
100
100
100
89
81
100

Low Clouds (% Sky Obscured)

26
35
28
24
9
14
13
10
8
0
4
64
63
53
50
62
57
62
57
57
47
43
43
43

Medium Clouds (% Sky Obscured)

93
43
35
42
27
57
78
95
78
87
100
100
100
100
100
46
88
80
44
58
100
41
47
100

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
1
0
80
60
62
100
100
94
67
100
100
100
100
100
89
81
95

ISS Passover

Visibility (miles)

9
9
6
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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

7
22
36
29
20
35
26
21
21
8
8
14
60
94
95
95
95
95
95
95
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.5
1.4
1.5
1.2
1.2
2.2
1.4
1
0.8
0.8
1.3

Wind Speed/Direction (mph)

3
5
7
8
5
5
5
8
8
9
9
10
7
9
9
9
8
10
9
10
10
9
7
9

Chance of Frost

Temperature (°C)

7
9
11
13
14
15
15
16
16
15
15
15
13
12
10
9
8
8
8
7
7
7
7
7

Feels Like (°C)

4
6
10
11
12
13
13
12
11
11
10
10
9
7
7
6
6
5
4
4
3
4
5
5

Dew Point (°C)

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

Relative Humidity (%)

57
51
48
43
36
30
26
24
23
23
25
30
31
37
43
52
63
70
74
75
77
78
84
76

Pressure (mb)

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

Ozone (du)

367
367
368
369
370
368
360
356
352
350
349
347
347
345
344
346
346
345
345
343
341
340
338
338

Thursday 30

Waxing Gibbous 100%

19:14

05:31

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
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad

Sun - Rise: 05:54, Set: 19:49, Transit: 12:52. Moon - Rise: 19:14, Set: 05:31. Civil Dark: 20:18 - 05:25. Nautical Dark: 20:54 - 04:50. Astro Dark: 21:32 - 04:11

Total Clouds (% Sky Obscured)

99
100
100
87
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

43
48
72
55
85
100
100
93
98
97
96
91
86
90
91
78
92
91
58
96
97
98
99
100

Medium Clouds (% Sky Obscured)

97
100
100
75
69
48
95
100
100
100
100
100
100
96
93
88
86
85
83
88
92
96
93
96

High Clouds (% Sky Obscured)

91
91
90
87
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
5
5
4
4
6
5
8
6
5
4
3
5
8
6
5
9
9
7
5
3
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
Very Light Rain
Light Rain
Light Rain
Light Rain
Moderate Rain

Precipitation Probability (%)

95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
82
48
64
84
95
95
95

Precipitation Amount (mm)

1.6
1.2
1.2
1.4
1.2
1.2
1.2
1
0.8
0.7
0.8
0.7
0.7
0.7
0.8
1.1
1.6
0.6
0
0.2
0.4
0.9
1.8
2.9

Wind Speed/Direction (mph)

10
11
12
13
13
13
12
12
13
13
13
11
9
8
9
11
8
7
5
6
6
6
8
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

74
70
60
56
51
50
55
58
58
66
74
82
85
86
86
88
88
91
91
91
91
93
94
93

Pressure (mb)

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

Ozone (du)

339
339
341
342
342
340
336
331
331
331
333
334
335
336
334
334
333
335
335
336
338
337
338
341

Friday 1

Full Moon 100%

20:18

06:00

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
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad

Sun - Rise: 05:53, Set: 19:50, Transit: 12:52. Moon - Rise: 20:18, Set: 06:00. Civil Dark: 20:19 - 05:24. Nautical Dark: 20:55 - 04:48. Astro Dark: 21:33 - 04:10

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
99
99
97
96
90
80
70
70
100
100
100
98
97
95
85
75

Low Clouds (% Sky Obscured)

98
99
98
100
97
96
92
86
77
76
68
70
34
12
0
0
68
84
100
89
79
68
67
67

Medium Clouds (% Sky Obscured)

99
100
100
100
100
100
100
96
94
88
78
69
55
45
45
17
44
54
64
60
56
52
35
18

High Clouds (% Sky Obscured)

100
81
59
35
43
43
53
47
38
80
70
65
65
70
65
60
0
0
4
16
35
48
12
0

ISS Passover

Visibility (miles)

0
0
0
6
1
3
0
4
6
8
8
9
9
9
9
8
8
8
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

Moderate Rain
Light 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
None
None
None
None

Precipitation Probability (%)

95
95
95
89
95
95
95
85
63
44
20
29
15
19
14
6
23
25
20
12
8
5
8
6

Precipitation Amount (mm)

3
1.9
0.9
0.5
1.3
0.8
1.2
0.4
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

0
0
0
2
3
3
4
4
4
5
6
6
5
4
3
3
2
0
-1
-2
-2
-1
-2
-2

Dew Point (°C)

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

Relative Humidity (%)

94
98
94
90
91
93
93
91
90
91
90
85
87
90
91
91
94
93
89
88
89
91
93
83

Pressure (mb)

1020
1021
1021
1020
1020
1020
1019
1019
1019
1019
1019
1019
1020
1021
1021
1021
1022
1024
1024
1024
1024
1025
1025
1025

Ozone (du)

341
343
345
348
348
348
347
346
346
347
351
355
358
358
359
359
358
358
359
360
361
363
365
362

Saturday 2

Waning Gibbous 97%

21:21

06:35

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

Sun - Rise: 05:52, Set: 19:51, Transit: 12:52. Moon - Rise: 21:21, Set: 06:35. Civil Dark: 20:20 - 05:23. Nautical Dark: 20:56 - 04:47. Astro Dark: 21:35 - 04:08

Total Clouds (% Sky Obscured)

66
42
23
3
5
7
9
6
3
0
2
2
4
17
30
43
62
81
100
74
42
33
46
57

Low Clouds (% Sky Obscured)

66
42
23
3
3
3
4
3
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

2
1
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
2
29
41
61
80
100
70
31
33
46
57

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
9
9
9
9
8
7
6
4
4
6
6
6
7
8
10
12
11
10
10
8
6
4
4

Chance of Frost

Temperature (°C)

5
7
9
10
12
13
14
15
15
15
15
13
11
9
9
9
8
8
8
8
7
7
6
9

Feels Like (°C)

-1
0
1
2
3
10
10
11
11
12
12
12
12
11
10
9
9
4
4
4
3
3
2
5

Dew Point (°C)

1
1
2
1
1
1
1
2
2
2
2
3
3
3
3
3
3
2
2
2
1
-0
-1
-1

Relative Humidity (%)

73
66
60
52
46
44
41
40
40
42
42
48
56
64
66
67
68
68
68
68
65
62
59
51

Pressure (mb)

1024
1024
1023
1022
1021
1021
1020
1019
1019
1018
1018
1018
1018
1019
1019
1019
1019
1018
1018
1017
1017
1016
1016
1016

Ozone (du)

359
355
353
351
349
351
353
356
356
356
356
355
354
354
354
355
355
355
355
355
355
355
355
353

Sunday 3

Waning Gibbous 94%

22:21

07:16

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
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad

Sun - Rise: 05:51, Set: 19:52, Transit: 12:52. Moon - Rise: 22:21, Set: 07:16. Civil Dark: 20:21 - 05:21. Nautical Dark: 20:57 - 04:45. Astro Dark: 21:36 - 04:06

Total Clouds (% Sky Obscured)

64
53
51
68
79
84
93
81
69
57
68
79
90
93
97
100
100
100
100
93
86
80

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

Medium Clouds (% Sky Obscured)

0
0
1
3
4
2
0
0
0
0
7
14
20
43
66
89
87
86
84
68
52
36

High Clouds (% Sky Obscured)

64
53
47
20
13
22
55
63
67
57
67
77
88
92
96
100
95
90
85
83
80
80

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

Fog (%)

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

Precipitation Probability (%)

0
0
0
0
0
0
0
3
4
5
6
4
1
2
1
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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

11
14
16
19
21
21
22
22
22
22
21
20
18
16
14
14
12
12
11
11
10
10

Feels Like (°C)

6
7
9
10
12
19
18
18
18
18
19
17
17
16
15
14
13
8
7
7
7
6

Dew Point (°C)

-1
0
-1
-1
-2
-2
-2
-3
-2
-1
0
0
-1
-1
-1
0
1
0
0
-0
-1
-1

Relative Humidity (%)

44
38
31
26
22
20
19
18
20
22
24
26
29
32
36
40
45
45
45
46
47
47

Pressure (mb)

1015
1015
1014
1013
1011
1010
1009
1008
1007
1007
1006
1006
1007
1007
1008
1008
1008
1008
1007
1007
1007
1008

Ozone (du)

351
349
349
350
350
349
348
347
350
354
357
358
359
360
360
360
359
360
360
360
360
360

Forecast for Deer Trail, Arapahoe, United States of America (39.64,-103.93)

Generated: 27/04/26 08:23:12. Forecast: 27/04/26 to 03/05/26. Timezone: UTC-6.00