Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 5

Waning Gibbous 89%

19:37

09:16

05 Bad
06 Bad
07 Bad
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

Sun - Rise: 07:23, Set: 16:50, Transit: 12:07. Moon - Rise: 19:37, Set: 09:16. Civil Dark: 17:21 - 06:53. Nautical Dark: 17:54 - 06:19. Astro Dark: 18:27 - 05:46

Total Clouds (% Sky Obscured)

65
77
82
100
100
100
81
100
100
100
100
100
100
100
100
97
97
99
100
100
100
93
100
100

Low Clouds (% Sky Obscured)

0
1
43
55
65
47
6
3
24
21
27
46
38
62
43
0
34
19
7
0
0
0
0
0

Medium Clouds (% Sky Obscured)

65
77
82
100
100
100
76
63
84
96
92
55
100
100
100
73
12
0
0
0
0
1
100
100

High Clouds (% Sky Obscured)

65
77
82
100
100
0
19
100
100
100
100
100
100
97
100
88
91
98
100
100
100
91
100
100

ISS Passover

Visibility (miles)

9
9
9
9
6
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
18
20
5
4
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-7
-7
-7
-6
-6
-6
-5
-5
-4
-3
-4
-3
-3
-4
-4
-4
-4
-4
-3
-4
-4
-4
-3
-3

Dew Point (°C)

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

Relative Humidity (%)

68
68
65
64
62
67
62
54
54
51
53
59
67
71
74
77
81
86
89
91
92
92
94
92

Pressure (mb)

1024
1024
1024
1024
1024
1024
1023
1022
1020
1020
1019
1019
1019
1019
1019
1018
1018
1017
1017
1016
1016
1016
1016
1015

Ozone (du)

313
314
316
316
321
323
322
324
326
324
323
324
324
325
324
321
320
321
322
320
319
318
318
317

Tuesday 6

Waning Gibbous 81%

20:49

09:45

05 Bad
06 Bad
07 Bad
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

Sun - Rise: 07:23, Set: 16:51, Transit: 12:07. Moon - Rise: 20:49, Set: 09:45. Civil Dark: 17:22 - 06:53. Nautical Dark: 17:55 - 06:19. Astro Dark: 18:28 - 05:46

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
97
97
97
88
95
74
48
47
68

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
16
39
84
100
100
75
93
91
84
90
59
39
30
51

Medium Clouds (% Sky Obscured)

100
100
99
59
99
87
68
100
54
83
76
83
54
51
13
9
14
14
25
23
7
2
18
9

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
62
40
2
1
1
1
4
3
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
1
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
1
1
2
2
6
18
2
0
0
0
19

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
89
88
86
83
80
76
73
75
75
79
85
93
96
98
98
100
100
98
98
98
96
94
94

Pressure (mb)

1015
1016
1016
1016
1016
1016
1015
1013
1012
1011
1010
1010
1009
1009
1009
1008
1007
1006
1005
1005
1005
1005
1005
1004

Ozone (du)

318
316
317
317
316
316
317
319
321
323
324
325
328
330
334
336
338
340
342
345
347
353
350
347

Wednesday 7

Waning Gibbous 72%

21:56

10:09

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

Sun - Rise: 07:23, Set: 16:52, Transit: 12:08. Moon - Rise: 21:56, Set: 10:09. Civil Dark: 17:22 - 06:53. Nautical Dark: 17:56 - 06:19. Astro Dark: 18:29 - 05:46

Total Clouds (% Sky Obscured)

78
90
67
91
80
74
82
90
69
48
54
72
70
61
42
22
24
12
30
28
22
16
9
14

Low Clouds (% Sky Obscured)

62
87
60
84
77
66
65
50
52
47
47
52
52
47
31
21
22
6
30
28
22
16
9
14

Medium Clouds (% Sky Obscured)

4
5
14
14
8
10
28
53
12
0
0
0
0
0
0
0
0
3
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
2
2
2
0
1
0
1
1
2
3
2
1
0
1
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 (%)

19
3
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
82
74
75
71
71
70
69
68
67
68
73
69
66
64
64
68
76
82
83
85
85
85
88

Pressure (mb)

1004
1005
1007
1008
1009
1010
1010
1011
1011
1011
1012
1013
1014
1015
1016
1016
1017
1017
1018
1018
1019
1019
1020
1020

Ozone (du)

346
351
354
357
359
360
357
354
353
351
352
350
347
345
342
341
339
338
337
334
332
329
327
325

Thursday 8

Waning Gibbous 62%

23:00

10:31

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

Sun - Rise: 07:23, Set: 16:53, Transit: 12:08. Moon - Rise: 23:00, Set: 10:31. Civil Dark: 17:23 - 06:53. Nautical Dark: 17:57 - 06:19. Astro Dark: 18:30 - 05:46

Total Clouds (% Sky Obscured)

18
22
27
31
57
77
88
100
68
36
33
33
70
65
75
88
87
100
95
100
100
100
100
100

Low Clouds (% Sky Obscured)

18
22
27
31
28
29
34
35
31
27
24
26
27
27
18
9
0
0
0
0
12
26
39
44

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
24
55
28
9
11
12
10
11
24
62
66
78
77
82
88
93
100
95

High Clouds (% Sky Obscured)

0
0
0
1
6
37
70
100
68
36
12
8
43
25
50
77
58
56
49
53
100
94
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
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
10
17
25
26

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
4
3
3
3
3
3
4
5
4
4
3
3
3
3
3
3
3
4
4
4
5
5
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
88
88
88
77
69
64
60
60
58
58
64
71
75
78
80
83
86
85
85
85
85
85
88

Pressure (mb)

1021
1021
1022
1023
1023
1024
1024
1024
1023
1023
1023
1023
1024
1024
1025
1025
1025
1025
1025
1025
1025
1025
1024
1024

Ozone (du)

322
325
328
335
338
346
351
353
353
349
341
337
334
329
322
320
315
309
306
303
298
294
294
292

Friday 9

Waning Gibbous 62%

00:02

10:52

05 Bad
06 Bad
07 Bad
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

Sun - Rise: 07:23, Set: 16:54, Transit: 12:09. Moon - Rise: 00:02, Set: 10:52. Civil Dark: 17:24 - 06:53. Nautical Dark: 17:58 - 06:19. Astro Dark: 18:31 - 05:46

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
99
98
99

Low Clouds (% Sky Obscured)

49
54
62
71
80
85
86
92
84
78
87
86
83
81
83
85
86
71
70
73
67
51
31
37

Medium Clouds (% Sky Obscured)

90
85
91
95
87
99
86
72
99
90
89
73
71
76
80
80
77
70
64
55
52
51
50
61

High Clouds (% Sky Obscured)

100
99
87
70
60
55
62
55
58
67
85
88
96
100
100
100
100
100
100
100
83
67
50
67

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
6
5
6
8
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
Very Light Rain
Very Light Rain
None
None
None
None
None
Light Rain
Very Light Rain
None
None
None
Light Rain
Very Light Rain
None
None
None

Precipitation Probability (%)

23
13
16
24
39
56
57
58
52
49
45
41
38
37
67
53
36
37
46
55
52
45
37
52

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

4
5
5
6
7
8
10
11
12
13
13
13
13
12
13
13
13
13
13
13
13
13
12
12

Feels Like (°C)

1
2
2
2
4
5
6
7
9
9
10
10
10
10
10
10
10
10
10
10
10
11
10
10

Dew Point (°C)

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

Relative Humidity (%)

88
86
86
86
85
81
78
73
76
74
75
79
80
86
87
89
90
90
93
93
95
95
95
95

Pressure (mb)

1024
1023
1023
1022
1022
1022
1021
1020
1019
1018
1018
1018
1018
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1020

Ozone (du)

290
287
287
285
287
285
283
283
282
283
285
284
283
280
279
277
276
274
274
273
272
271
269
268

Saturday 10

Third Quarter 52%

01:04

11:13

05 Bad
06 Bad
07 Bad
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

Sun - Rise: 07:22, Set: 16:55, Transit: 12:09. Moon - Rise: 01:04, Set: 11:13. Civil Dark: 17:25 - 06:53. Nautical Dark: 17:59 - 06:19. Astro Dark: 18:32 - 05:46

Total Clouds (% Sky Obscured)

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

Low Clouds (% Sky Obscured)

46
55
61
67
74
83
90
95
95
96
98
96
95
96
97
96
99
97
98
97
96
95
97
85

Medium Clouds (% Sky Obscured)

71
82
89
99
100
100
100
100
78
66
74
91
93
100
100
100
100
98
86
28
17
13
13
14

High Clouds (% Sky Obscured)

83
100
97
95
92
95
91
100
97
89
83
89
95
100
100
100
100
90
79
69
65
55
42
59

ISS Passover

Visibility (miles)

7
4
2
1
1
0
3
6
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

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

Precipitation Probability (%)

72
95
95
95
80
75
76
85
95
95
95
95
95
95
95
95
95
95
95
95
89
65
46
38

Precipitation Amount (mm)

0.3
0.9
0.9
0.8
0.5
0.4
0.4
0.6
1.1
1.6
1.8
1.4
1.1
0.8
0.8
0.9
0.9
0.8
0.8
1
0.7
0.3
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

10
10
10
11
10
11
11
11
11
13
12
12
12
13
13
11
12
13
12
13
13
8
6
6

Dew Point (°C)

11
11
12
12
12
13
13
13
13
13
13
13
13
13
13
12
11
10
8
6
4
3
2
1

Relative Humidity (%)

96
96
96
98
96
98
95
95
92
90
90
89
90
93
95
90
84
79
74
67
64
62
61
60

Pressure (mb)

1020
1020
1020
1020
1020
1020
1020
1019
1018
1018
1018
1018
1019
1019
1019
1018
1018
1018
1017
1017
1017
1017
1017
1016

Ozone (du)

267
267
266
264
263
261
262
262
263
262
261
260
260
261
262
262
262
262
262
261
261
263
264
265

Sunday 11

Waning Crescent 42%

02:06

11:35

05 Bad
06 Bad
07 Bad
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

Sun - Rise: 07:22, Set: 16:56, Transit: 12:09. Moon - Rise: 02:06, Set: 11:35. Civil Dark: 17:26 - 06:52. Nautical Dark: 18:00 - 06:19. Astro Dark: 18:32 - 05:46

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
93
87
80
85
85
85
91
92
93

Low Clouds (% Sky Obscured)

65
51
43
41
43
39
36
39
45
60
64
35
22
1
0
0
0
8
17
25

Medium Clouds (% Sky Obscured)

15
16
37
55
72
82
91
99
99
100
100
90
83
75
70
70
75
75
75
75

High Clouds (% Sky Obscured)

82
100
87
75
67
77
88
100
90
81
69
46
23
0
5
10
20
30
80
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

Fog (%)

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

Precipitation Probability (%)

27
6
6
9
12
32
46
55
49
38
20
22
21
17
10
4
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.3
0.2
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

58
57
56
54
52
50
45
41
38
40
43
45
46
47
48
48
50
53
54
55

Pressure (mb)

1016
1016
1016
1016
1016
1015
1014
1013
1012
1012
1012
1012
1014
1015
1017
1018
1019
1020
1020
1021

Ozone (du)

266
267
268
269
271
272
274
275
277
279
282
284
287
290
293
295
298
300
305
310

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

Generated: 05/01/26 04:47:27. Forecast: 05/01/26 to 11/01/26. Timezone: UTC-5.00