Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 5

Waning Gibbous 84%

23:34

08:37

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

Sun - Rise: 06:35, Set: 19:30, Transit: 13:03. Moon - Rise: 23:34, Set: 08:37. Civil Dark: 19:58 - 06:08. Nautical Dark: 20:30 - 05:35. Astro Dark: 21:04 - 05:01

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
43
100
45
25
32
25
24
41
32
30
14
3
17

Low Clouds (% Sky Obscured)

86
94
85
86
96
92
72
28
0
0
3
2
0
24
19
29
24
24
41
32
30
14
2
16

Medium Clouds (% Sky Obscured)

98
100
100
100
100
100
100
100
61
45
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

69
63
39
99
100
100
100
100
100
100
100
43
100
22
2
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
2
2
2
6
3
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
Moderate Rain
Moderate Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

6
53
87
95
95
95
81
7
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.4
1.5
6.7
2.9
2
1.2
0.5
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

2
5
8
6
9
9
9
10
12
10
10
11
12
11
10
10
9
10
11
10
10
11
10
11

Chance of Frost

Temperature (°C)

11
14
15
14
15
14
13
13
14
13
13
12
10
9
8
8
7
6
5
5
5
4
4
5

Feels Like (°C)

9
13
14
12
12
11
11
11
10
10
9
7
5
5
5
5
4
3
2
2
2
1
1
1

Dew Point (°C)

10
13
14
13
13
12
12
11
10
8
7
5
3
2
2
1
0
-0
-1
-1
-1
-1
-1
-1

Relative Humidity (%)

90
89
90
93
90
89
90
86
76
74
66
64
61
61
62
62
63
65
65
65
67
68
69
66

Pressure (mb)

1011
1011
1010
1011
1010
1010
1010
1010
1010
1011
1012
1013
1014
1014
1015
1016
1016
1016
1017
1017
1017
1017
1018
1019

Ozone (du)

324
324
324
324
323
323
323
326
326
328
330
330
329
330
332
336
340
339
339
341
341
341
342
341

Monday 6

Waning Gibbous 76%

00:34

No Set

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

Sun - Rise: 06:34, Set: 19:31, Transit: 13:03. Moon - Rise: 00:34, Set: No Set. Civil Dark: 19:59 - 06:06. Nautical Dark: 20:31 - 05:33. Astro Dark: 21:06 - 04:59

Total Clouds (% Sky Obscured)

6
2
2
22
27
50
69
45
79
49
43
51
53
39
55
45
71
39
31
20
0
1
2
13

Low Clouds (% Sky Obscured)

5
2
2
22
27
46
39
5
51
2
19
2
17
3
25
24
43
14
9
16
0
1
1
13

Medium Clouds (% Sky Obscured)

0
0
0
0
0
2
23
30
33
43
22
14
10
14
18
14
22
19
17
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
4
8
4
8
3
0
1
2
2
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)

13
13
12
12
13
12
13
12
12
10
7
5
5
4
4
4
4
5
5
6
6
8
8
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

58
49
46
43
44
45
46
48
44
51
53
56
58
56
56
59
63
67
71
78
79
77
79
70

Pressure (mb)

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

Ozone (du)

340
341
346
348
348
346
344
344
344
347
348
352
356
356
356
356
357
359
358
359
362
365
365
367

Tuesday 7

Waning Gibbous 67%

01:29

09:20

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

Sun - Rise: 06:32, Set: 19:32, Transit: 13:03. Moon - Rise: 01:29, Set: 09:20. Civil Dark: 20:00 - 06:05. Nautical Dark: 20:33 - 05:31. Astro Dark: 21:07 - 04:57

Total Clouds (% Sky Obscured)

34
39
7
44
62
72
27
38
18
11
0
0
0
0
0
0
0
0
0
0
0
1
1
1

Low Clouds (% Sky Obscured)

33
36
7
26
44
50
27
38
18
11
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
39
7
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
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
3
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)

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

Chance of Frost

Temperature (°C)

6
7
8
9
9
10
10
10
9
8
7
6
4
3
2
1
1
0
-1
-1
-2
-2
-2
-1

Feels Like (°C)

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

Dew Point (°C)

-1
-3
-4
-6
-7
-7
-8
-9
-10
-8
-7
-8
-8
-9
-10
-10
-10
-10
-11
-11
-12
-12
-13
-14

Relative Humidity (%)

58
49
42
35
31
29
28
26
25
30
36
38
39
42
41
42
46
46
46
47
46
44
42
34

Pressure (mb)

1024
1024
1025
1025
1025
1026
1026
1026
1026
1027
1029
1030
1032
1033
1034
1034
1035
1035
1035
1036
1036
1037
1038
1038

Ozone (du)

366
367
368
370
372
370
372
378
382
387
390
391
393
393
392
390
388
384
381
382
380
382
379
378

Wednesday 8

Waning Gibbous 57%

02:17

10:10

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

Sun - Rise: 06:31, Set: 19:33, Transit: 13:03. Moon - Rise: 02:17, Set: 10:10. Civil Dark: 20:01 - 06:03. Nautical Dark: 20:34 - 05:30. Astro Dark: 21:08 - 04:55

Total Clouds (% Sky Obscured)

1
1
0
0
0
0
0
0
6
11
19
15
8
4
37
40
9
9
6
7
21
58
77
72

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
6
11
19
15
8
0
0
0
0
0
0
0
21
43
65
57

Medium 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

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
1
2
4
37
40
9
8
4
7
9
58
67
58

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-15
-16
-16
-15
-15
-13
-11
-9
-7
-5
-3
-3
-3
-3
-2
-2
-2
-2
-2
-1
-1
-1
-1
-0

Relative Humidity (%)

28
23
20
18
18
18
20
24
27
35
46
52
54
58
66
68
69
73
76
79
81
81
82
76

Pressure (mb)

1039
1039
1039
1039
1038
1037
1037
1036
1035
1036
1036
1036
1037
1038
1038
1038
1038
1038
1038
1038
1037
1038
1038
1038

Ozone (du)

377
374
372
370
369
368
367
366
365
363
363
370
379
376
369
372
378
371
369
369
371
371
371
369

Thursday 9

Waning Gibbous 47%

02:57

11:08

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

Sun - Rise: 06:29, Set: 19:34, Transit: 13:02. Moon - Rise: 02:57, Set: 11:08. Civil Dark: 20:02 - 06:01. Nautical Dark: 20:35 - 05:28. Astro Dark: 21:09 - 04:53

Total Clouds (% Sky Obscured)

65
56
65
58
61
68
79
81
52
15
14
28
44
56
48
37
34
33
42
55
68
80
96
93

Low Clouds (% Sky Obscured)

50
43
33
22
13
8
4
0
0
0
0
0
0
0
1
2
3
15
39
55
68
80
91
75

Medium Clouds (% Sky Obscured)

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

High Clouds (% Sky Obscured)

44
33
57
53
55
60
57
71
37
10
7
20
33
45
42
37
34
27
19
10
36
65
86
83

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

68
61
53
48
43
40
41
42
46
50
57
65
69
74
79
82
85
88
90
93
93
91
90
87

Pressure (mb)

1038
1038
1038
1037
1036
1035
1034
1033
1033
1033
1033
1033
1033
1033
1033
1032
1032
1031
1031
1031
1030
1030
1030
1030

Ozone (du)

368
367
369
370
367
367
363
362
362
360
358
357
357
357
358
358
359
360
358
356
354
354
354
354

Friday 10

Third Quarter 37%

03:31

12:10

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

Sun - Rise: 06:28, Set: 19:35, Transit: 13:02. Moon - Rise: 03:31, Set: 12:10. Civil Dark: 20:03 - 06:00. Nautical Dark: 20:36 - 05:26. Astro Dark: 21:11 - 04:52

Total Clouds (% Sky Obscured)

89
86
86
86
80
62
44
35
21
12
4
26
54
77
81
86
92
82
74
63
71
85
91
95

Low Clouds (% Sky Obscured)

57
39
29
23
17
20
23
26
19
12
3
23
43
64
64
69
72
63
55
46
36
29
19
30

Medium Clouds (% Sky Obscured)

4
4
21
36
52
46
32
12
2
1
0
23
47
70
66
62
62
43
23
2
1
0
0
0

High Clouds (% Sky Obscured)

80
77
81
62
55
49
23
16
11
7
2
12
26
39
16
8
2
1
1
0
3
12
14
4

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
2
5
7
4
2
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

7
7
7
10
11
11
18
17
17
17
17
17
13
14
15
14
14
14
12
12
12
12
12
11

Dew Point (°C)

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

Relative Humidity (%)

78
70
61
59
55
52
52
52
53
58
64
70
74
75
78
76
75
75
76
79
81
81
83
83

Pressure (mb)

1030
1030
1029
1028
1027
1026
1026
1025
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1025
1026
1027

Ozone (du)

352
350
348
347
347
346
347
347
348
347
347
346
346
346
346
347
347
347
348
348
349
348
348
348

Saturday 11

Waning Crescent 28%

04:00

13:16

09 Bad
10 Bad
11 Bad
12 Bad
13 OK
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad

Sun - Rise: 06:26, Set: 19:36, Transit: 13:02. Moon - Rise: 04:00, Set: 13:16. Civil Dark: 20:04 - 05:58. Nautical Dark: 20:37 - 05:25. Astro Dark: 21:12 - 04:50

Total Clouds (% Sky Obscured)

89
88
75
59
48
51
54
61
61
61
61
72
79
85
88
85
83

Low Clouds (% Sky Obscured)

39
44
39
35
25
16
6
3
12
11
11
4
5
5
5
4
4

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
1
2
3
8
13
18

High Clouds (% Sky Obscured)

6
9
5
2
0
1
3
0
0
0
0
3
7
17
25
59
60

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

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
2
4
2
4
3
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

13
14
14
16
18
20
20
20
20
19
18
16
15
15
14
13
12

Feels Like (°C)

12
12
12
12
12
12
20
20
20
20
20
20
15
14
14
13
12

Dew Point (°C)

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

Relative Humidity (%)

76
70
64
58
51
45
46
47
47
54
62
71
73
74
76
76
79

Pressure (mb)

1027
1028
1028
1028
1027
1027
1027
1026
1026
1026
1027
1027
1028
1028
1029
1029
1029

Ozone (du)

348
347
347
347
347
346
346
345
344
343
342
341
340
339
337
336
334

Forecast for Washington Park, Montgomery County, United States of America (40.10,-75.38)

Generated: 05/04/26 09:40:21. Forecast: 05/04/26 to 11/04/26. Timezone: UTC-4.00