Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 17

Waning Crescent 3%

05:21

15:30

16 Bad
17 Bad
18 Bad
19 OK
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
09 Good
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad

Sun - Rise: 06:51, Set: 16:43, Transit: 11:46. Moon - Rise: 05:21, Set: 15:30. Civil Dark: 17:12 - 06:21. Nautical Dark: 17:45 - 05:48. Astro Dark: 18:17 - 05:16

Total Clouds (% Sky Obscured)

66
62
62
19
3
1
2
5
2
3
6
4
0
2
2
0
0
14
77
96
74
95
100
91

Low Clouds (% Sky Obscured)

32
40
31
15
3
1
2
5
2
3
0
0
0
0
0
0
0
0
0
3
28
20
52
43

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
1
0
2
1
0
0
14
70
79
74
92
96
39

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
3
2
0
0
0
0
0
2
8
45
51
80
53
73

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
4
19
2
5

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

40
43
48
54
59
61
62
62
61
63
64
64
64
64
63
63
58
52
47
43
39
45
57
58

Pressure (mb)

1013
1014
1015
1016
1016
1017
1017
1018
1018
1019
1019
1020
1020
1021
1021
1022
1023
1023
1023
1023
1022
1022
1022
1022

Ozone (du)

280
280
283
284
283
282
282
281
282
285
287
285
284
283
280
281
284
284
283
283
282
283
284
285

Tuesday 18

Waning Crescent 1%

06:23

15:59

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: 06:52, Set: 16:42, Transit: 11:47. Moon - Rise: 06:23, Set: 15:59. Civil Dark: 17:11 - 06:22. Nautical Dark: 17:44 - 05:49. Astro Dark: 18:16 - 05:17

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
93
100
100
100

Low Clouds (% Sky Obscured)

55
61
59
77
84
100
100
84
90
100
100
100
98
100
100
100
100
100
100
99
92
99
100
100

Medium Clouds (% Sky Obscured)

44
65
96
100
100
100
100
100
100
100
100
100
100
91
94
78
12
14
15
12
15
15
13
18

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
29
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
7
9
7
8
4
9
5
5
6
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

4
11
27
41
49
55
77
87
95
95
95
95
95
95
48
17
7
6
1
2
1
1
1
0

Precipitation Amount (mm)

0
0
0
0
0
0
0.4
0.4
0.8
0.7
1.4
0.9
1.5
0.6
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

6
6
6
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
6
6
7
7
7
7

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

59
59
60
67
75
78
80
83
85
89
91
91
91
93
93
91
90
88
85
81
76
73
74
74

Pressure (mb)

1021
1021
1022
1022
1022
1022
1022
1022
1021
1021
1021
1020
1020
1020
1020
1021
1021
1021
1022
1022
1021
1021
1021
1022

Ozone (du)

284
283
280
280
278
280
283
287
290
291
291
296
300
294
296
289
285
281
276
279
276
279
286
287

Wednesday 19

Waning Crescent 0%

07:26

15:59

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: 06:53, Set: 16:41, Transit: 11:47. Moon - Rise: 07:26, Set: 15:59. Civil Dark: 17:11 - 06:24. Nautical Dark: 17:44 - 05:50. Astro Dark: 18:16 - 05:18

Total Clouds (% Sky Obscured)

100
100
74
80
87
100
100
85
100
100
99
100
100
100
100
100
100
100
100
100
99
99
100
100

Low Clouds (% Sky Obscured)

100
100
74
80
80
80
85
85
95
100
99
100
100
100
100
100
100
100
100
100
99
99
100
100

Medium Clouds (% Sky Obscured)

4
6
7
0
1
6
19
10
13
57
31
47
27
62
65
85
99
100
88
88
29
23
14
15

High Clouds (% Sky Obscured)

0
0
0
0
3
20
60
29
42
28
32
30
35
45
79
100
100
100
76
85
66
46
33
1

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
1
1
1
0
0
1
4
28
29
36
50
41
46
52

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

Chance of Frost

Temperature (°C)

7
7
7
6
6
6
6
6
6
5
5
5
5
5
5
6
6
6
6
7
7
7
7
7

Feels Like (°C)

4
4
5
6
6
6
4
4
6
3
3
3
3
3
3
3
4
4
5
5
5
6
6
6

Dew Point (°C)

3
3
3
3
3
3
3
3
4
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3

Relative Humidity (%)

75
74
75
79
82
83
83
85
86
86
86
86
85
86
85
82
81
79
76
74
74
75
74
75

Pressure (mb)

1022
1022
1023
1023
1023
1023
1023
1023
1023
1023
1023
1022
1022
1022
1022
1022
1023
1023
1022
1022
1021
1021
1020
1020

Ozone (du)

287
286
282
277
274
275
274
274
271
269
268
265
266
266
269
269
270
271
271
271
272
272
273
271

Thursday 20

New Moon 2%

08:26

16:34

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: 06:54, Set: 16:41, Transit: 11:47. Moon - Rise: 08:26, Set: 16:34. Civil Dark: 17:10 - 06:25. Nautical Dark: 17:43 - 05:51. Astro Dark: 18:15 - 05:19

Total Clouds (% Sky Obscured)

100
100
100
94
88
85
88
88
88
94
94
97
97
96
95
94
92
90
82
70
61
59
60
55

Low Clouds (% Sky Obscured)

100
100
100
94
88
85
79
74
29
29
70
79
74
86
85
80
72
63
58
53
50
48
42
40

Medium Clouds (% Sky Obscured)

19
22
26
17
11
0
0
0
13
52
59
72
70
81
78
76
78
79
60
22
10
10
5
5

High Clouds (% Sky Obscured)

5
5
5
0
1
1
13
29
43
32
21
15
15
25
25
20
20
4
25
30
30
30
50
55

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
6
1
0
0
0
0
0
0

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

Precipitation Probability (%)

55
52
44
37
29
14
11
5
1
1
0
0
0
2
9
34
47
63
72
34
33
30
33
29

Precipitation Amount (mm)

0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.4
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

75
76
78
78
79
81
82
82
84
87
88
88
88
91
93
96
98
100
98
100
100
98
100
98

Pressure (mb)

1020
1020
1020
1020
1020
1020
1019
1019
1018
1018
1017
1017
1016
1016
1015
1015
1015
1014
1013
1012
1011
1010
1010
1010

Ozone (du)

269
269
267
267
265
265
265
265
266
265
264
264
263
265
268
271
274
275
272
268
267
264
263
263

Friday 21

Waxing Crescent 6%

09:22

17:15

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 OK
10 OK
11 OK
12 OK
13 OK
14 OK
15 Bad

Sun - Rise: 06:55, Set: 16:40, Transit: 11:47. Moon - Rise: 09:22, Set: 17:15. Civil Dark: 17:10 - 06:26. Nautical Dark: 17:43 - 05:52. Astro Dark: 18:15 - 05:20

Total Clouds (% Sky Obscured)

70
84
100
100
100
100
92
85
83
91
97
100
100
100
100
82
63
45
34
31
21
27
35
58

Low Clouds (% Sky Obscured)

31
22
13
9
4
0
0
0
0
4
7
11
7
4
0
0
0
0
0
1
1
2
1
0

Medium Clouds (% Sky Obscured)

10
15
15
43
70
100
92
85
80
69
83
82
80
79
77
58
43
29
34
31
21
27
35
58

High Clouds (% Sky Obscured)

70
84
100
100
100
100
92
85
75
83
93
100
100
97
100
73
45
18
9
4
0
0
0
0

ISS Passover

Visibility (miles)

0
0
0
0
0
0
0
0
5
5
8
5
7
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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Light Rain
Very Light Rain
Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

37
32
33
57
74
89
84
70
95
75
79
75
84
59
51
36
21
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0.3
0.6
0.6
0.4
0.7
0.3
0.5
0.3
0.6
0.2
0.2
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

10
8
7
6
5
6
6
6
6
7
7
7
7
7
6
6
7
7
8
8
8
8
8
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

10
10
10
9
10
9
9
9
7
6
6
4
3
2
2
2
2
3
3
4
4
4
6
6

Dew Point (°C)

11
11
10
10
10
9
10
9
8
8
7
6
4
3
2
2
1
0
-1
-2
-2
-2
-3
-3

Relative Humidity (%)

100
100
100
98
100
98
100
100
96
95
93
88
82
82
76
75
69
63
56
52
49
45
45
45

Pressure (mb)

1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1011
1011
1011
1012
1013
1014
1015
1015
1016
1016
1015
1015
1015
1015

Ozone (du)

263
268
272
278
283
281
279
276
276
277
276
276
281
284
283
288
287
286
285
285
284
284
284
285

Saturday 22

Waxing Crescent 11%

10:11

18:05

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

Sun - Rise: 06:56, Set: 16:40, Transit: 11:48. Moon - Rise: 10:11, Set: 18:05. Civil Dark: 17:09 - 06:27. Nautical Dark: 17:42 - 05:53. Astro Dark: 18:15 - 05:21

Total Clouds (% Sky Obscured)

55
52
17
33
50
70
61
55
50
59
69
83
63
37
11
14
17
19
13
8
7
20
32
45

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
23
39
50
59
53
47
31
16
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

55
52
17
21
25
36
25
15
12
12
27
56
48
30
11
14
17
19
13
5
0
3
3
3

High Clouds (% Sky Obscured)

4
8
14
30
46
62
51
36
29
24
20
15
3
3
1
1
1
0
1
2
4
11
17
13

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 (%)

3
5
7
16
18
12
23
29
27
37
32
4
5
3
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
5
4
3
3
3
4
4
4
3
3
3
3
3
3
3
5
6
7
8
9
10
10
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

45
47
49
52
53
56
57
58
60
61
63
63
64
66
64
64
59
53
47
43
39
35
36
37

Pressure (mb)

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

Ozone (du)

285
284
284
283
284
284
284
284
284
284
284
285
285
289
293
296
295
294
293
292
291
290
290
290

Sunday 23

Waxing Crescent 18%

10:54

19:02

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

Sun - Rise: 06:57, Set: 16:39, Transit: 11:48. Moon - Rise: 10:54, Set: 19:02. Civil Dark: 17:09 - 06:28. Nautical Dark: 17:42 - 05:54. Astro Dark: 18:14 - 05:22

Total Clouds (% Sky Obscured)

39
33
27
32
37
40
30
23
19
19
18
14
33
53
68
54
40
21
29
38
46

Low Clouds (% Sky Obscured)

1
2
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
2
2

Medium Clouds (% Sky Obscured)

4
4
5
4
4
3
8
13
18
15
12
9
11
11
12
15
15
13
13
8
10

High Clouds (% Sky Obscured)

4
2
0
7
13
21
18
14
12
19
18
14
33
17
0
0
3
2
6
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

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

38
43
46
50
49
49
49
52
56
59
63
66
70
70
71
72
67
62
56
51
45

Pressure (mb)

1013
1013
1013
1014
1014
1014
1014
1014
1014
1014
1015
1015
1015
1016
1016
1017
1017
1018
1018
1018
1017

Ozone (du)

290
288
287
285
287
289
291
291
291
292
291
291
291
291
291
291
292
292
293
291
290

Forecast for Swarthmore, Delaware, United States of America (39.90,-75.35)

Generated: 17/11/25 16:02:28. Forecast: 17/11/25 to 23/11/25. Timezone: UTC-5.00