Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 20

Waxing Crescent 17%

09:10

00:16

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

Sun - Rise: 06:11, Set: 19:42, Transit: 12:57. Moon - Rise: 09:10, Set: 00:16. Civil Dark: 20:11 - 05:42. Nautical Dark: 20:45 - 05:08. Astro Dark: 21:21 - 04:32

Total Clouds (% Sky Obscured)

48
49
36
55
38
44
43
50
65
75
26
9
0
1
4
4
7
14
7
4
4
3
4
3

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
4
21
44
43
50
65
75
24
9
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

28
4
10
51
25
23
36
2
2
2
0
0
0
0
2
3
4
9
5
3
3
3
3
3

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)

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

Chance of Frost

Temperature (°C)

23
24
24
25
24
24
21
19
17
16
15
14
12
11
11
11
10
10
10
14
18
21
23
24

Feels Like (°C)

21
21
22
21
21
19
16
13
12
12
11
11
10
11
9
8
7
7
7
11
15
19
22
23

Dew Point (°C)

-12
-12
-12
-11
-10
-9
-6
-9
-11
-12
-12
-12
-11
-10
-11
-11
-12
-12
-10
-9
-8
-8
-8
-8

Relative Humidity (%)

8
8
8
8
9
10
16
14
13
13
14
16
18
21
20
20
20
20
22
20
16
14
12
11

Pressure (mb)

1011
1011
1009
1008
1008
1008
1009
1010
1011
1011
1011
1012
1012
1012
1012
1013
1013
1014
1014
1014
1014
1013
1012
1011

Ozone (du)

321
322
322
324
325
326
327
328
325
325
325
325
322
323
323
325
325
324
326
326
320
316
315
313

Tuesday 21

Waxing Crescent 27%

10:20

01:17

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

Sun - Rise: 06:09, Set: 19:43, Transit: 12:57. Moon - Rise: 10:20, Set: 01:17. Civil Dark: 20:12 - 05:41. Nautical Dark: 20:46 - 05:07. Astro Dark: 21:22 - 04:30

Total Clouds (% Sky Obscured)

1
6
6
61
80
52
79
74
36
69
12
40
53
40
42
40
96
69
53
50
50
95
60
15

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
1
61
69
23
79
74
32
69
3
1
3
0
42
10
0
0
0
0
0
30
40
0

High Clouds (% Sky Obscured)

1
4
3
3
2
2
3
5
4
17
9
37
44
40
42
35
96
69
53
50
50
95
60
15

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
8
11
12
13
12
13
11
14
16
14
14
15
12
9
6
5
5
7
8
11
14
15
20

Chance of Frost

Temperature (°C)

25
26
27
27
27
26
24
22
21
20
19
18
17
16
15
14
13
13
13
17
20
22
24
25

Feels Like (°C)

23
24
23
22
21
21
20
16
14
14
12
12
11
10
11
11
11
10
11
15
17
18
17
18

Dew Point (°C)

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

Relative Humidity (%)

10
10
9
9
10
12
15
13
12
13
16
18
20
23
28
33
36
40
38
34
26
18
13
10

Pressure (mb)

1009
1008
1007
1005
1005
1005
1005
1006
1006
1007
1007
1006
1006
1006
1006
1006
1006
1006
1006
1006
1005
1003
1002
1000

Ozone (du)

311
311
310
310
310
309
311
311
311
313
313
313
315
318
318
319
322
324
324
325
330
333
337
335

Wednesday 22

Waxing Crescent 38%

11:34

02:06

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

Sun - Rise: 06:08, Set: 19:44, Transit: 12:57. Moon - Rise: 11:34, Set: 02:06. Civil Dark: 20:13 - 05:40. Nautical Dark: 20:47 - 05:05. Astro Dark: 21:24 - 04:28

Total Clouds (% Sky Obscured)

3
0
2
40
50
50
50
34
65
0
0
17
3
2
4
3
1
38
29
5
47
71
100
100

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)

2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
8
17
25
43

High Clouds (% Sky Obscured)

0
0
1
40
50
50
50
34
65
0
0
12
2
1
2
1
0
24
12
2
16
19
25
25

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
1
0
0
0
0
1
0
0
0
0
0
0
0
0
1
2
3
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)

19
18
24
26
24
24
26
22
21
18
18
21
19
18
15
14
14
14
10
11
13
14
18
22

Chance of Frost

Temperature (°C)

26
27
28
27
27
25
23
19
17
15
15
13
11
10
10
9
9
9
9
11
12
14
15
16

Feels Like (°C)

19
20
18
17
18
17
14
12
9
8
7
4
3
3
3
3
2
3
4
5
6
7
7
7

Dew Point (°C)

-9
-9
-12
-13
-12
-10
-4
-4
-6
-7
-8
-7
-8
-10
-11
-12
-12
-14
-12
-12
-15
-14
-12
-11

Relative Humidity (%)

9
9
6
6
6
9
17
20
20
21
21
25
26
22
22
21
22
19
21
18
13
13
14
14

Pressure (mb)

999
996
994
993
992
993
994
996
998
999
999
1001
1002
1002
1003
1003
1003
1003
1003
1003
1003
1003
1002
1002

Ozone (du)

332
331
329
332
333
336
338
342
346
352
351
347
344
343
341
340
341
345
343
341
341
342
345
350

Thursday 23

First Quarter 50%

12:47

02:44

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

Sun - Rise: 06:07, Set: 19:45, Transit: 12:57. Moon - Rise: 12:47, Set: 02:44. Civil Dark: 20:14 - 05:38. Nautical Dark: 20:48 - 05:03. Astro Dark: 21:25 - 04:27

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
98
100
100
100
67
33
0
0
2
1
21
32
62
62
68
60
67

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)

100
100
100
100
58
100
100
94
73
31
8
1
10
0
0
2
1
4
5
10
8
9
4
67

High Clouds (% Sky Obscured)

20
25
15
10
10
36
68
85
80
80
80
60
33
0
0
0
0
10
5
15
15
15
15
43

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 (%)

10
13
12
11
5
7
6
4
4
3
0
1
1
0
0
0
0
0
0
0
0
0
0
1

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)

20
22
23
24
22
18
13
12
11
7
4
6
6
7
7
6
5
6
5
6
6
7
8
9

Chance of Frost

Temperature (°C)

17
17
17
17
16
16
14
13
11
11
9
8
8
7
6
5
4
3
5
6
8
10
13
15

Feels Like (°C)

9
8
7
7
7
8
8
7
6
6
8
5
4
2
2
2
1
1
0
2
4
6
8
10

Dew Point (°C)

-12
-12
-9
-9
-9
-7
-6
-6
-5
-5
-5
-5
-6
-4
-2
-1
-0
-1
0
-1
-1
-1
-2
-5

Relative Humidity (%)

13
13
15
16
16
20
25
27
32
33
37
38
39
44
57
69
75
76
72
61
54
45
34
25

Pressure (mb)

1001
1001
1001
1001
1002
1002
1003
1004
1005
1006
1006
1007
1008
1008
1008
1010
1011
1011
1011
1011
1011
1009
1007
1005

Ozone (du)

357
360
359
360
359
351
349
353
348
346
347
344
343
340
341
340
339
337
338
340
339
338
339
341

Friday 24

Waxing Gibbous 61%

No Rise

03:15

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
12 Bad

Sun - Rise: 06:05, Set: 19:46, Transit: 12:56. Moon - Rise: No Rise, Set: 03:15. Civil Dark: 20:15 - 05:37. Nautical Dark: 20:50 - 05:02. Astro Dark: 21:26 - 04:25

Total Clouds (% Sky Obscured)

83
100
100
100
100
98
99
100
100
100
100
80
92
92
95
97
100
98
97
88
79
67
70
83

Low Clouds (% Sky Obscured)

0
0
0
2
0
0
0
0
1
3
5
19
38
58
69
77
86
61
57
88
79
67
70
83

Medium Clouds (% Sky Obscured)

75
75
75
78
78
89
80
100
100
100
100
76
51
26
42
57
73
69
56
53
40
32
27
47

High Clouds (% Sky Obscured)

70
100
100
100
100
98
99
100
100
100
100
9
6
4
30
39
50
33
18
0
0
0
0
7

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
6
3
0
0
0
0
0
0
0
2
4
6

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
Snow
Snow
Snow
Snow
Snow
Sleet
None
None
None
None

Precipitation Probability (%)

2
3
24
24
6
5
7
8
17
17
19
24
24
23
43
56
68
65
60
54
43
34
22
24

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.1
0.3
0.4
0.4
0.4
0.3
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

16
17
17
17
16
16
14
12
10
9
7
5
7
5
3
2
2
1
2
4
5
8
11
14

Feels Like (°C)

10
10
10
11
10
11
10
9
7
6
3
-1
2
2
1
-0
-1
-3
-4
-2
0
2
4
7

Dew Point (°C)

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

Relative Humidity (%)

21
22
24
33
38
30
32
36
37
45
52
74
79
86
93
93
94
94
94
93
90
84
77
71

Pressure (mb)

1004
1003
1002
1002
1002
1001
1002
1003
1005
1006
1007
1008
1009
1011
1013
1014
1015
1015
1015
1015
1016
1014
1012
1011

Ozone (du)

345
350
354
355
356
357
357
356
362
367
367
369
370
372
373
373
373
372
373
374
375
372
369
366

Saturday 25

Waxing Gibbous 71%

13:58

03:40

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
12 Bad

Sun - Rise: 06:04, Set: 19:47, Transit: 12:56. Moon - Rise: 13:58, Set: 03:40. Civil Dark: 20:16 - 05:35. Nautical Dark: 20:51 - 05:00. Astro Dark: 21:28 - 04:23

Total Clouds (% Sky Obscured)

90
98
100
100
100
100
100
100
98
96
94
96
97
99
99
100
100
100
100
100
98
97
94
95

Low Clouds (% Sky Obscured)

90
95
92
84
76
67
59
51
64
76
88
91
95
98
96
94
91
63
35
7
17
28
39
45

Medium Clouds (% Sky Obscured)

63
79
86
94
100
96
91
83
58
34
11
27
42
65
72
72
65
78
89
100
98
95
91
89

High Clouds (% Sky Obscured)

14
20
46
66
80
74
72
90
78
67
56
57
59
61
49
19
0
23
45
68
79
80
66
67

ISS Passover

Visibility (miles)

7
8
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
Very Light Rain
Very Light Rain
None
None
None
None
None
None
Snow
None
None
None
Snow
Snow
Snow
Snow

Precipitation Probability (%)

25
25
31
31
18
43
51
51
67
67
48
50
54
57
53
49
42
38
37
38
39
43
47
49

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0.3
0.3
0
0
0
0
0
0
0.1
0
0
0
0.1
0.1
0.1
0.2

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

15
16
18
17
17
17
14
11
8
6
5
4
3
2
2
2
1
1
1
1
0
1
1
2

Feels Like (°C)

11
12
13
12
12
12
11
8
5
4
3
1
-2
-2
-2
-4
-4
-5
-5
-5
-6
-7
-8
-9

Dew Point (°C)

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

Relative Humidity (%)

69
67
65
65
64
63
68
72
78
79
78
79
77
76
76
74
74
73
69
66
62
57
50
44

Pressure (mb)

1010
1009
1008
1007
1007
1006
1008
1010
1011
1011
1011
1012
1011
1011
1011
1011
1011
1011
1011
1010
1010
1009
1008
1008

Ozone (du)

363
360
356
353
349
345
344
344
343
342
342
342
341
339
338
339
339
340
342
344
346
345
344
343

Sunday 26

Waxing Gibbous 81%

15:05

04:03

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: 06:03, Set: 19:48, Transit: 12:56. Moon - Rise: 15:05, Set: 04:03. Civil Dark: 20:17 - 05:34. Nautical Dark: 20:52 - 04:59. Astro Dark: 21:29 - 04:21

Total Clouds (% Sky Obscured)

96
97
98
99
100
100
100
100
98
97
95
97
98
100
82
64
46

Low Clouds (% Sky Obscured)

51
57
64
71
77
75
74
72
79
86
93
96
98
100
73
46
20

Medium Clouds (% Sky Obscured)

87
86
89
94
100
100
100
100
80
60
39
36
32
28
24
21
18

High Clouds (% Sky Obscured)

79
94
96
98
100
100
100
100
88
77
65
76
87
98
77
56
35

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

53
58
78
88
92
87
77
55
44
31
16
20
21
22
16
10
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

7
6
7
4
4
7
8
10
12
10
8
7
6
6
6
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-10
-11
-12
-10
-7
-4
-2
-2
-1
-0
0
1
0
1
1
1
1

Relative Humidity (%)

42
39
37
46
59
73
78
81
88
88
88
89
86
86
86
88
89

Pressure (mb)

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

Ozone (du)

344
344
345
344
344
343
344
345
345
345
344
344
345
346
348
349
349

Forecast for Seven Hills, Arapahoe, United States of America (39.66,-104.76)

Generated: 20/04/26 13:01:18. Forecast: 20/04/26 to 26/04/26. Timezone: UTC-6.00